Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
762
FNUS51 KBOX 172010
FWFBOX
Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
409 PM EDT Sun Aug 17 2025
.DISCUSSION...
Cold front pushes through Sunday night and brings the return of
drier and somewhat cooler conditions. Dewpoints will be fall-like
dropping into the 40s by Monday. High pressure keeps dry weather
through Tuesday. Minimum relative humidity values on Monday fall
to between 45 and 45 percent with similar values expected on
Tuesday.
.OUTLOOK...Wednesday through Monday...
Cooler/below normal temperatures follow for much of the work week
with a return to seasonable temperatures by Friday and Saturday.
Dry weather dominates too outside a few brief showers possible at
mid- week.
MAZ015-180800-
Suffolk MA-
Including the cities of Boston, Chelsea, Revere, and Winthrop
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Mclear Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 30 10 10
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 62 (-6) 71 (-20) 52 76
RH % (24h trend) 87 (-6) 38 (-5) 100 45
20ft Wnd AM(mph) NE 11 G21 Lgt/Var
20ft Wnd PM(mph) W 8 G19 NE 9 G18 E 5 E 7
Precip Amount 0.28 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 1 AM
Mixing Hgt (ft-AGL) 450 4150 330 4540
Transport Wnd (kts) SW 12 NE 14 NE 5 E 9
Vent Rate (kt-ft) 5400 58100 1650 40860
Max ADI Early 17 Gen Poor 58 Gen Good 30 Fair 47 Gen Good
Max ADI Late 24 Fair 59 Gen Good 3 Very Poor 50 Gen Good
Max LVORI Early 3 1 5 1
Max LVORI Late 3 1 5 1
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows around 60. East winds 5 to
10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the lower 60s. Highs in the mid 70s. Northeast
winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Northeast winds
10 to 15 mph.
.THURSDAY NIGHT...Mostly clear. Lows around 60. North winds 10 to
15 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the lower 60s.
Highs in the mid 80s. South winds 10 to 15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 60s. South
winds 10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 10 to 15 mph.
$$
MAZ016-180800-
Eastern Norfolk MA-
Including the cities of Braintree, Milton, Quincy, and Weymouth
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Mclear Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 40 10 10
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 60 (-7) 71 (-19) 52 76
RH % (24h trend) 90 (-7) 42 (-4) 89 46
20ft Wnd AM(mph) NE 12 G22 NE 5
20ft Wnd PM(mph) W 7 G18 NE 10 G19 E 5 E 6
Precip Amount 0.23 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 2 AM
Mixing Hgt (ft-AGL) 490 3640 220 4420
Transport Wnd (kts) SW 12 NE 15 NE 5 E 9
Vent Rate (kt-ft) 5880 54600 1100 39780
Max ADI Early 21 Fair 52 Gen Good 29 Fair 49 Gen Good
Max ADI Late 30 Fair 59 Gen Good 3 Very Poor 53 Gen Good
Max LVORI Early 4 1 5 1
Max LVORI Late 4 1 5 1
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East winds
5 to 10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. A chance of
showers. Lows around 60. Highs in the mid 70s. Northeast winds
5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Northeast winds
10 to 15 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 50s.
Highs in the lower 80s. Northeast winds 5 to 10 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the mid 60s.
Highs in the mid 80s. South winds 10 to 15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 10 to 15 mph.
$$
MAZ013-180800-
Western Norfolk MA-
Including the cities of Bellingham, Dedham, Foxborough, Medfield,
Norwood, Stoughton, and Wellesley
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 50 10 10
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 59 (-6) 71 (-19) 46 76
RH % (24h trend) 90 (-10) 35 (-8) 100 41
20ft Wnd AM(mph) NE 9 G20 Lgt/Var
20ft Wnd PM(mph) W 5 NE 8 G18 Lgt/Var E 5
Precip Amount 0.29 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 2 AM
Mixing Hgt (ft-AGL) 490 4220 190 5680
Transport Wnd (kts) N 11 NE 12 E 7 E 7
Vent Rate (kt-ft) 5390 50640 1330 39760
Max ADI Early 30 Fair 66 Good 33 Fair 48 Gen Good
Max ADI Late 20 Gen Poor 61 Good 3 Very Poor 53 Gen Good
Max LVORI Early 4 1 10 1
Max LVORI Late 4 1 10 1
Min Vsby Early 8 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East winds
around 5 mph.
.WEDNESDAY...Partly sunny with a chance of showers. Highs in the
mid 70s. East winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 50s.
Highs in the mid 80s. Northwest winds around 5 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the lower 60s.
Highs in the mid 80s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 5 to 10 mph.
$$
MAZ014-180800-
Southeast Middlesex MA-
Including the cities of Cambridge, Lexington, Newton, Waltham,
and Woburn
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Mclear Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 30 10 10
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 61 (-7) 72 (-21) 49 76
RH % (24h trend) 79 (-14) 34 (-7) 100 42
20ft Wnd AM(mph) NE 9 G18 Lgt/Var
20ft Wnd PM(mph) W 7 G18 NE 8 Lgt/Var E 6
Precip Amount 0.14 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 1 AM
Mixing Hgt (ft-AGL) 460 4480 270 4690
Transport Wnd (kts) SW 14 NE 12 SE 6 E 8
Vent Rate (kt-ft) 6440 53760 1620 37520
Max ADI Early 28 Fair 62 Good 28 Fair 43 Gen Good
Max ADI Late 22 Fair 60 Gen Good 2 Very Poor 49 Gen Good
Max LVORI Early 3 1 8 1
Max LVORI Late 3 1 8 1
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 60 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East winds
around 5 mph.
.WEDNESDAY...Partly sunny with a chance of showers. Highs in the
mid 70s. East winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. East winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 50s.
Highs in the mid 80s. North winds around 5 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the mid 60s.
Highs in the mid 80s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the mid
80s. Southwest winds 5 to 10 mph.
$$
MAZ007-180800-
Eastern Essex MA-
Including the cities of Beverly, Gloucester, Newburyport,
Peabody, Salem, and Saugus
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Mclear Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 20 10
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 59 (-7) 73 (-17) 49 76
RH % (24h trend) 93 (-7) 36 (-5) 100 43
20ft Wnd AM(mph) NE 12 G23 Lgt/Var
20ft Wnd PM(mph) NW 8 G23 NE 9 G19 Lgt/Var E 6
Precip Amount 0.10 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 1 AM
Mixing Hgt (ft-AGL) 310 3770 220 4100
Transport Wnd (kts) SW 9 NE 14 SE 6 E 8
Vent Rate (kt-ft) 2790 52780 1320 32800
Max ADI Early 21 Fair 54 Gen Good 20 Gen Poor 34 Fair
Max ADI Late 27 Fair 51 Gen Good 4 Very Poor 38 Fair
Max LVORI Early 3 2 8 2
Max LVORI Late 3 2 8 2
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 30 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows around 60. Southeast winds
5 to 10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. A chance of
showers. Lows around 60. Highs in the mid 70s. Northeast winds
5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Northeast winds
10 to 15 mph.
.THURSDAY NIGHT...Mostly clear. Lows around 60. North winds 10 to
15 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the lower 60s.
Highs in the lower 80s. South winds 10 to 15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. South winds 10 to 15 mph.
$$
MAZ006-180800-
Western Essex MA-
Including the cities of Amesbury, Andover, Haverhill, Lawrence,
Methuen, and Topsfield
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Mclear Mclear Pcldy
Precip Type Showers None None None
Chance Precip (%) 20 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 58 (-9) 72 (-21) 49 75
RH % (24h trend) 84 (-13) 35 (-6) 100 40
20ft Wnd AM(mph) NE 8 G18 Lgt/Var
20ft Wnd PM(mph) NW 6 G18 NE 6 Lgt/Var E 5
Precip Amount 0.11 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 12 AM
Mixing Hgt (ft-AGL) 680 4500 210 5120
Transport Wnd (kts) W 12 NE 10 SE 6 E 7
Vent Rate (kt-ft) 8160 45000 1260 35840
Max ADI Early 25 Fair 56 Gen Good 24 Fair 40 Fair
Max ADI Late 21 Fair 55 Gen Good 2 Very Poor 45 Gen Good
Max LVORI Early 4 1 8 1
Max LVORI Late 4 1 8 1
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 60 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the upper 50s. Southeast
winds around 5 mph.
.WEDNESDAY...Partly sunny with a chance of showers. Highs in the
mid 70s. East winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. East winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. North
winds around 5 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the upper 50s.
Highs in the mid 80s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the mid
80s. Southwest winds 5 to 10 mph.
$$
MAZ005-180800-
Central Middlesex MA-
Including the cities of Burlington, Chelmsford, Framingham,
Hopkinton, Lowell, and Natick
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Mclear Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 30 10 10
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 58 (-8) 75 (-17) 46 77
RH % (24h trend) 87 (-13) 32 (-9) 100 38
20ft Wnd AM(mph) NE 8 G17 Lgt/Var
20ft Wnd PM(mph) NW 5 NE 6 Lgt/Var Lgt/Var
Precip Amount 0.21 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 4 AM
Mixing Hgt (ft-AGL) 450 5000 110 5380
Transport Wnd (kts) W 10 NE 9 SE 6 E 7
Vent Rate (kt-ft) 4500 45000 660 37660
Max ADI Early 32 Fair 55 Gen Good 32 Fair 38 Fair
Max ADI Late 21 Fair 56 Gen Good 2 Very Poor 48 Gen Good
Max LVORI Early 3 1 10 1
Max LVORI Late 3 1 10 1
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 90 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East winds
5 to 10 mph.
.WEDNESDAY...Partly sunny with a chance of showers. Highs in the
mid 70s. East winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the mid 50s.
Highs in the mid 80s. Northwest winds around 5 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the lower 60s.
Highs in the mid 80s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the mid
80s. Southwest winds 5 to 10 mph.
$$
MAZ012-180800-
Southern Worcester MA-
Including the cities of Milford, Oxford, Sturbridge, Uxbridge,
Westborough, and Worcester
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 50 10 10
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 58 (-7) 75 (-15) 48 78
RH % (24h trend) 90 (-10) 34 (-9) 100 40
20ft Wnd AM(mph) NE 8 G18 Lgt/Var
20ft Wnd PM(mph) Lgt/Var NE 6 Lgt/Var Lgt/Var
Precip Amount 0.45 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 5 AM
Mixing Hgt (ft-AGL) 440 4890 120 5950
Transport Wnd (kts) W 9 NE 8 SE 7 SE 6
Vent Rate (kt-ft) 3960 39120 840 35700
Max ADI Early 30 Fair 53 Gen Good 34 Fair 35 Fair
Max ADI Late 16 Gen Poor 56 Gen Good 3 Very Poor 39 Fair
Max LVORI Early 4 1 7 2
Max LVORI Late 4 1 7 2
Min Vsby Early 7 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.WEDNESDAY...Partly sunny with a chance of showers. Highs in the
mid 70s. East winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the mid 50s.
Highs in the lower 80s. Northwest winds 5 to 10 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the lower 60s.
Highs in the mid 80s. Southwest winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 5 to 10 mph.
$$
MAZ004-180800-
Northern Worcester MA-
Including the cities of Athol, Boylston, Brookfield, Fitchburg,
Gardner, and Harvard
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 30 10 10
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 55 (-11) 76 (-14) 48 78
RH % (24h trend) 96 (-4) 31 (-11) 100 36
20ft Wnd AM(mph) NE 7 G17 Lgt/Var
20ft Wnd PM(mph) NW 5 NE 5 Lgt/Var Lgt/Var
Precip Amount 0.16 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 4 AM
Mixing Hgt (ft-AGL) 330 5270 30 5880
Transport Wnd (kts) NW 9 NE 6 SE 7 SE 7
Vent Rate (kt-ft) 2970 31620 210 41160
Max ADI Early 25 Fair 48 Gen Good 31 Fair 20 Gen Poor
Max ADI Late 17 Gen Poor 51 Gen Good 3 Very Poor 29 Fair
Max LVORI Early 4 1 6 2
Max LVORI Late 4 1 6 2
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 50 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Southeast
winds around 5 mph.
.WEDNESDAY...Mostly cloudy with a chance of showers. Highs in the
mid 70s. East winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 50s. East winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the mid 50s.
Highs in the lower 80s. Northwest winds 5 to 10 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the upper 50s.
Highs in the lower 80s. Southwest winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 5 to 10 mph.
$$
MAZ026-180800-
Northern Middlesex MA-
Including the cities of Ashby, Ayer, Groton, Pepperell, Shirley,
and Townsend
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Mclear Mclear Pcldy
Precip Type Showers None None None
Chance Precip (%) 20 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 56 (-11) 77 (-15) 47 79
RH % (24h trend) 90 (-10) 32 (-11) 100 39
20ft Wnd AM(mph) NE 6 Lgt/Var
20ft Wnd PM(mph) NW 5 Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.17 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 4 AM
Mixing Hgt (ft-AGL) 530 5470 60 5450
Transport Wnd (kts) N 9 NE 7 SE 6 SE 6
Vent Rate (kt-ft) 4770 38290 360 32700
Max ADI Early 35 Fair 56 Gen Good 32 Fair 27 Fair
Max ADI Late 18 Gen Poor 52 Gen Good 2 Very Poor 41 Gen Good
Max LVORI Early 4 1 7 2
Max LVORI Late 4 1 7 2
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 80 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Southeast
winds around 5 mph.
.WEDNESDAY...Partly sunny with a chance of showers. Highs in the
mid 70s. East winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 50s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
around 5 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the mid 50s.
Highs in the mid 80s. Northwest winds around 5 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the upper 50s.
Highs in the mid 80s. Southwest winds around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds around 5 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the mid
80s. Southwest winds around 5 mph.
$$
MAZ002-180800-
Western Franklin MA-
Including the cities of Ashfield, Charlemont, Colrain,
and Shelburne
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Showers None None None
Chance Precip (%) 20 10 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 53 (-12) 76 (-12) 47 77
RH % (24h trend) 87 (-13) 35 (-6) 100 39
20ft Wnd AM(mph) NE 6 Lgt/Var
20ft Wnd PM(mph) N 5 Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.04 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 11 PM
Mixing Hgt (ft-AGL) 320 4940 5420
Transport Wnd (kts) N 13 NE 5 E 6 S 6
Vent Rate (kt-ft) 4160 24700 0 32520
Max ADI Early 21 Fair 34 Fair 22 Fair 18 Gen Poor
Max ADI Late 18 Gen Poor 40 Fair 4 Very Poor 30 Fair
Max LVORI Early 3 2 7 2
Max LVORI Late 3 2 7 2
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 60 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 50s. Southeast winds around 5 mph.
.WEDNESDAY...Mostly cloudy with a chance of showers. Highs in the
lower 70s. Southeast winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 50s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Northeast winds
around 5 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the mid 50s.
Highs around 80. Northwest winds around 5 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the upper 50s.
Highs in the lower 80s. Southwest winds around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds around 5 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds around 5 mph.
$$
MAZ003-180800-
Eastern Franklin MA-
Including the cities of Greenfield, Leverett, Northfield, Orange,
and Whately
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Showers None None None
Chance Precip (%) 20 10 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 56 (-10) 79 (-12) 47 79
RH % (24h trend) 87 (-13) 32 (-8) 100 32
20ft Wnd AM(mph) N 6 Lgt/Var
20ft Wnd PM(mph) N 6 Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.07 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 12 AM
Mixing Hgt (ft-AGL) 340 5490 10 6010
Transport Wnd (kts) N 9 NE 5 E 8 SE 5
Vent Rate (kt-ft) 3060 27450 80 30050
Max ADI Early 16 Gen Poor 44 Gen Good 28 Fair 21 Fair
Max ADI Late 17 Gen Poor 44 Gen Good 3 Very Poor 21 Fair
Max LVORI Early 4 1 7 2
Max LVORI Late 4 1 7 2
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 30 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 50s. Southeast winds around 5 mph.
.WEDNESDAY...Mostly cloudy with a chance of showers. Highs in the
mid 70s. Southeast winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 50s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the mid 50s.
Highs in the mid 80s. Northwest winds 5 to 10 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the upper 50s.
Highs in the mid 80s. Southwest winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 5 to 10 mph.
$$
MAZ008-180800-
Western Hampshire MA-
Including the cities of Chesterfield, Plainfield, Westhampton,
Williamsburg, and Worthington
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Showers None None None
Chance Precip (%) 30 10 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (-11) 75 (-12) 48 76
RH % (24h trend) 87 (-13) 39 (-6) 100 42
20ft Wnd AM(mph) NE 6 Lgt/Var
20ft Wnd PM(mph) N 5 Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.05 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 11 PM
Mixing Hgt (ft-AGL) 290 4840 5140
Transport Wnd (kts) NW 9 NE 6 E 6 SE 5
Vent Rate (kt-ft) 2610 29040 0 25700
Max ADI Early 17 Gen Poor 39 Fair 21 Fair 13 Gen Poor
Max ADI Late 18 Gen Poor 42 Gen Good 4 Very Poor 23 Fair
Max LVORI Early 3 2 6 2
Max LVORI Late 3 2 6 2
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 60 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 50s. Southeast winds around 5 mph.
.WEDNESDAY...Mostly cloudy with a chance of showers. Highs in the
lower 70s. Southeast winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 50s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Northeast winds
around 5 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the mid 50s.
Highs around 80. Northwest winds around 5 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the upper 50s.
Highs in the lower 80s. Southwest winds around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds around 5 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds around 5 mph.
$$
MAZ010-180800-
Eastern Hampshire MA-
Including the cities of Amherst, Belchertown, Northampton,
Southampton, and Ware
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Tstms None None None
Chance Precip (%) 40 10 10 10
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 58 (-9) 78 (-14) 47 80
RH % (24h trend) 90 (-10) 36 (-7) 100 36
20ft Wnd AM(mph) NE 7 Lgt/Var
20ft Wnd PM(mph) N 5 Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.14 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 2 AM
Mixing Hgt (ft-AGL) 430 5520 90 6040
Transport Wnd (kts) N 8 NE 5 E 7 SE 5
Vent Rate (kt-ft) 3440 27600 630 30200
Max ADI Early 18 Gen Poor 48 Gen Good 28 Fair 19 Gen Poor
Max ADI Late 19 Gen Poor 49 Gen Good 3 Very Poor 20 Gen Poor
Max LVORI Early 4 1 7 2
Max LVORI Late 4 1 7 2
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 50 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 50s. Southeast winds around 5 mph.
.WEDNESDAY...Mostly cloudy with a chance of showers. Highs in the
mid 70s. East winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 50s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs around 80. Northeast winds 5 to
10 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the mid 50s.
Highs in the mid 80s. Northwest winds 5 to 10 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the upper 50s.
Highs in the mid 80s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 5 to 10 mph.
$$
MAZ009-180800-
Western Hampden MA-
Including the cities of Blandford, Chester, Granville,
Montgomery, Russell, and Tolland
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Tstms None None None
Chance Precip (%) 50 10 10 10
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 56 (-10) 75 (-14) 49 77
RH % (24h trend) 87 (-13) 37 (-8) 93 43
20ft Wnd AM(mph) NE 7 G17 Lgt/Var
20ft Wnd PM(mph) NW 5 NE 5 Lgt/Var Lgt/Var
Precip Amount 0.05 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 12 AM
Mixing Hgt (ft-AGL) 200 4850 4670
Transport Wnd (kts) N 9 NE 6 E 6 SE 5
Vent Rate (kt-ft) 1800 29100 0 23350
Max ADI Early 16 Gen Poor 39 Fair 22 Fair 16 Gen Poor
Max ADI Late 17 Gen Poor 43 Gen Good 4 Very Poor 22 Fair
Max LVORI Early 4 2 5 2
Max LVORI Late 4 2 5 2
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 10 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 50s. Southeast winds around 5 mph.
.WEDNESDAY...Mostly cloudy with a chance of showers. Highs in the
mid 70s. East winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 50s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
around 5 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the mid 50s.
Highs in the lower 80s. Northwest winds around 5 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the upper 50s.
Highs in the lower 80s. Southwest winds around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds around 5 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs around 80.
Southwest winds around 5 mph.
$$
MAZ011-180800-
Eastern Hampden MA-
Including the cities of Chicopee, Holland, Palmer, Southwick,
Springfield, and Westfield
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 50 10 10 10
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 58 (-9) 77 (-14) 49 80
RH % (24h trend) 87 (-13) 36 (-7) 100 36
20ft Wnd AM(mph) NE 7 G17 Lgt/Var
20ft Wnd PM(mph) NW 5 NE 5 Lgt/Var Lgt/Var
Precip Amount 0.17 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 5 AM
Mixing Hgt (ft-AGL) 400 5510 110 5610
Transport Wnd (kts) N 11 NE 6 E 7 SE 6
Vent Rate (kt-ft) 4400 33060 770 33660
Max ADI Early 20 Gen Poor 49 Gen Good 28 Fair 28 Fair
Max ADI Late 17 Gen Poor 51 Gen Good 3 Very Poor 23 Fair
Max LVORI Early 4 1 6 2
Max LVORI Late 4 1 6 2
Min Vsby Early 7 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 90 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 50s. Southeast winds around 5 mph.
.WEDNESDAY...Mostly cloudy with a chance of showers. Highs in the
mid 70s. East winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the mid 50s.
Highs in the mid 80s. Northwest winds 5 to 10 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows around 60. Highs
in the mid 80s. Southwest winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 5 to 10 mph.
$$
CTZ002-180800-
Hartford CT-
Including the cities of Hartford, Glastonbury, Granby,
Southington, and Windsor Locks
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 60 10 10 10
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 59 (-10) 78 (-14) 53 80
RH % (24h trend) 90 (-10) 37 (-7) 86 38
20ft Wnd AM(mph) NE 8 G17 Lgt/Var
20ft Wnd PM(mph) W 5 NE 6 Lgt/Var Lgt/Var
Precip Amount 0.14 0.00 0.00 0.00
Precip Duration 3
Precip Begin 6 PM
Precip End 5 AM
Mixing Hgt (ft-AGL) 410 5080 200 5320
Transport Wnd (kts) W 7 NE 6 SE 6 SE 5
Vent Rate (kt-ft) 2870 30480 1200 26600
Max ADI Early 24 Fair 35 Fair 28 Fair 34 Fair
Max ADI Late 18 Gen Poor 44 Gen Good 4 Very Poor 38 Fair
Max LVORI Early 4 2 4 1
Max LVORI Late 4 2 4 1
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 40 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 50s. Southeast winds around 5 mph.
.WEDNESDAY...Mostly cloudy with a chance of showers. Highs in the
upper 70s. East winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs around 80. Northeast winds 5 to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. North
winds 5 to 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the upper 50s.
Highs in the mid 80s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 5 to 10 mph.
$$
CTZ003-180800-
Tolland CT-
Including the cities of Mansfield, Stafford Springs, and Vernon
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 60 10 10 10
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 59 (-9) 77 (-13) 52 79
RH % (24h trend) 90 (-7) 37 (-10) 86 41
20ft Wnd AM(mph) NE 8 G18 Lgt/Var
20ft Wnd PM(mph) W 5 NE 6 Lgt/Var Lgt/Var
Precip Amount 0.27 0.00 0.00 0.00
Precip Duration 3
Precip Begin 6 PM
Precip End 5 AM
Mixing Hgt (ft-AGL) 320 5150 120 5240
Transport Wnd (kts) N 10 NE 7 E 7 SE 6
Vent Rate (kt-ft) 3200 36050 840 31440
Max ADI Early 25 Fair 36 Fair 34 Fair 35 Fair
Max ADI Late 17 Gen Poor 52 Gen Good 3 Very Poor 42 Gen Good
Max LVORI Early 4 1 5 1
Max LVORI Late 4 1 5 1
Min Vsby Early 2 Fog 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.WEDNESDAY...Partly sunny with a chance of showers. Highs in the
mid 70s. East winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds
5 to 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows 55 to 60. Highs in
the mid 80s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 5 to 10 mph.
$$
CTZ004-180800-
Windham CT-
Including the cities of Ashford, Plainfield, Putnam,
and Willimantic
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 60 10 10
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 59 (-7) 76 (-13) 50 79
RH % (24h trend) 93 (-7) 37 (-12) 93 39
20ft Wnd AM(mph) NE 8 G18 Lgt/Var
20ft Wnd PM(mph) Lgt/Var NE 6 Lgt/Var Lgt/Var
Precip Amount 0.48 0.00 0.00 0.00
Precip Duration 3
Precip Begin 6 PM
Precip End 5 AM
Mixing Hgt (ft-AGL) 530 5050 190 5500
Transport Wnd (kts) SW 9 NE 8 E 7 SE 6
Vent Rate (kt-ft) 4770 40400 1330 33000
Max ADI Early 32 Fair 54 Gen Good 36 Fair 43 Gen Good
Max ADI Late 18 Gen Poor 53 Gen Good 3 Very Poor 49 Gen Good
Max LVORI Early 5 1 6 1
Max LVORI Late 5 1 6 1
Min Vsby Early 2 Fog 9 9 9
Min Vsby Late 8 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. East winds
around 5 mph.
.WEDNESDAY...Partly sunny with a chance of showers. Highs in the
mid 70s. East winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the mid 50s.
Highs in the mid 80s. Northwest winds 5 to 10 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the lower 60s.
Highs in the mid 80s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 5 to 10 mph.
$$
RIZ001-180800-
Northwest Providence RI-
Including the cities of Cumberland, Foster, Glocester,
and Smithfield
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 60 10 10
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 59 (-5) 72 (-17) 48 77
RH % (24h trend) 97 (-3) 39 (-11) 100 42
20ft Wnd AM(mph) NE 9 G19 Lgt/Var
20ft Wnd PM(mph) W 5 NE 7 Lgt/Var E 5
Precip Amount 0.54 0.00 0.00 0.00
Precip Duration 3
Precip Begin 6 PM
Precip End 3 AM
Mixing Hgt (ft-AGL) 560 4510 180 5520
Transport Wnd (kts) NW 8 NE 11 E 7 E 6
Vent Rate (kt-ft) 4480 49610 1260 33120
Max ADI Early 33 Fair 59 Gen Good 34 Fair 46 Gen Good
Max ADI Late 18 Gen Poor 57 Gen Good 3 Very Poor 51 Gen Good
Max LVORI Early 5 1 6 1
Max LVORI Late 5 1 6 1
Min Vsby Early 4 Fog 9 9 9
Min Vsby Late 8 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East winds
around 5 mph.
.WEDNESDAY...Partly sunny with a chance of showers. Highs in the
mid 70s. East winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 50s.
Highs in the lower 80s. Northwest winds 5 to 10 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the lower 60s.
Highs in the lower 80s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 5 to 10 mph.
$$
RIZ002-180800-
Southeast Providence RI-
Including the cities of Cranston, Johnston, Pawtucket,
and Providence
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 60 10 10
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 61 (-5) 74 (-14) 50 77
RH % (24h trend) 93 (-7) 37 (-17) 96 43
20ft Wnd AM(mph) NE 9 G19 Lgt/Var
20ft Wnd PM(mph) SW 6 NE 9 G17 E 5 E 6
Precip Amount 0.37 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 3 AM
Mixing Hgt (ft-AGL) 510 4330 300 5390
Transport Wnd (kts) NW 9 NE 11 NE 6 E 7
Vent Rate (kt-ft) 4590 47630 1800 37730
Max ADI Early 34 Fair 69 Good 37 Fair 49 Gen Good
Max ADI Late 19 Gen Poor 65 Good 3 Very Poor 52 Gen Good
Max LVORI Early 5 1 6 1
Max LVORI Late 5 1 6 1
Min Vsby Early 2 Fog 9 9 9
Min Vsby Late 7 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East winds
5 to 10 mph.
.WEDNESDAY...Partly sunny with a chance of showers. Highs in the
mid 70s. East winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. Northeast winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
10 to 15 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 50s.
Highs in the mid 80s. Northwest winds 10 to 15 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the mid 60s.
Highs in the lower 80s. South winds 10 to 15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 5 to 10 mph.
$$
RIZ003-180800-
Western Kent RI-
Including the cities of Coventry and West Greenwich
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 60 10 10
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 60 (-6) 73 (-13) 52 75
RH % (24h trend) 97 (-3) 38 (-19) 86 45
20ft Wnd AM(mph) NE 10 G20 NE 5
20ft Wnd PM(mph) SW 5 NE 9 G17 NE 6 E 6
Precip Amount 0.38 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 3 AM
Mixing Hgt (ft-AGL) 600 4370 220 4900
Transport Wnd (kts) NE 17 NE 12 NE 6 E 8
Vent Rate (kt-ft) 10200 52440 1320 39200
Max ADI Early 35 Fair 49 Gen Good 36 Fair 52 Gen Good
Max ADI Late 18 Gen Poor 58 Gen Good 4 Very Poor 56 Gen Good
Max LVORI Early 5 1 5 1
Max LVORI Late 5 1 5 1
Min Vsby Early 2 Fog 9 9 9
Min Vsby Late 6 Fog 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East winds
around 5 mph.
.WEDNESDAY...Partly sunny with a chance of showers. Highs in the
mid 70s. East winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 50s.
Highs in the lower 80s. Northwest winds 5 to 10 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the lower 60s.
Highs in the lower 80s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 5 to 10 mph.
$$
RIZ004-180800-
Eastern Kent RI-
Including the cities of East Greenwich, Warwick, and West Warwick
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 50 10 10
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 62 (-5) 74 (-13) 54 77
RH % (24h trend) 93 (-4) 38 (-17) 90 40
20ft Wnd AM(mph) NE 11 G20 NE 5
20ft Wnd PM(mph) SW 7 NE 10 G17 NE 6 E 7
Precip Amount 0.42 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 3 AM
Mixing Hgt (ft-AGL) 580 4320 330 5080
Transport Wnd (kts) W 11 NE 13 NE 6 E 8
Vent Rate (kt-ft) 6380 56160 1980 40640
Max ADI Early 35 Fair 51 Gen Good 37 Fair 53 Gen Good
Max ADI Late 19 Gen Poor 61 Good 3 Very Poor 57 Gen Good
Max LVORI Early 5 1 5 1
Max LVORI Late 5 1 5 1
Min Vsby Early 2 Fog 9 9 9
Min Vsby Late 4 Fog 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East winds
5 to 10 mph.
.WEDNESDAY...Partly sunny with a chance of showers. Highs in the
mid 70s. East winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
around 60. Northeast winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
10 to 15 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 50s.
Highs in the lower 80s. Northwest winds 10 to 15 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the mid 60s.
Highs in the lower 80s. South winds 10 to 15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 10 to 15 mph.
$$
RIZ005-180800-
Bristol RI-
Including the cities of Barrington, Bristol, and Warren
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 50 10 10
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 62 (-6) 73 (-12) 51 77
RH % (24h trend) 97 (-3) 40 (-19) 96 45
20ft Wnd AM(mph) NE 11 G22 NE 5
20ft Wnd PM(mph) SW 7 G18 NE 10 G18 NE 7 E 7
Precip Amount 0.39 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 4 AM
Mixing Hgt (ft-AGL) 510 4080 300 5210
Transport Wnd (kts) W 10 NE 14 E 8 E 9
Vent Rate (kt-ft) 5100 57120 2400 46890
Max ADI Early 25 Fair 51 Gen Good 33 Fair 55 Gen Good
Max ADI Late 20 Gen Poor 62 Good 3 Very Poor 61 Good
Max LVORI Early 5 1 6 1
Max LVORI Late 5 1 6 1
Min Vsby Early 2 Fog 9 9 9
Min Vsby Late 2 Fog 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows around 60. East winds 5 to
10 mph.
.WEDNESDAY...Partly sunny with a chance of showers. Highs in the
mid 70s. East winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the lower 60s. Northeast winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
10 to 15 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the lower 60s.
Highs in the lower 80s. Northwest winds 10 to 15 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the mid 60s.
Highs in the lower 80s. South winds 10 to 15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 60s. South
winds 10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 10 to 15 mph.
$$
RIZ006-180800-
Washington RI-
Including the cities of Kingston, Narragansett, Richmond,
and Westerly
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 50 10 10 10
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 60 (-7) 74 (-10) 52 76
RH % (24h trend) 97 (-3) 39 (-20) 90 46
20ft Wnd AM(mph) NE 11 G24 NE 6
20ft Wnd PM(mph) SW 6 G20 NE 10 G20 NE 7 E 7
Precip Amount 0.30 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 5 AM
Mixing Hgt (ft-AGL) 520 4290 290 4660
Transport Wnd (kts) NE 14 NE 14 NE 7 E 10
Vent Rate (kt-ft) 7280 60060 2030 46600
Max ADI Early 32 Fair 47 Gen Good 39 Fair 51 Gen Good
Max ADI Late 19 Gen Poor 60 Gen Good 6 Very Poor 50 Gen Good
Max LVORI Early 5 1 5 1
Max LVORI Late 5 1 5 1
Min Vsby Early 2 Fog 9 9 9
Min Vsby Late 6 Fog 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East winds
5 to 10 mph.
.WEDNESDAY...Partly sunny with a chance of showers. Highs in the
mid 70s. East winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. Northeast winds 10 to 15 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
10 to 15 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. North
winds 10 to 15 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows 58 to 63. Highs in
the lower 80s. South winds 10 to 15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs around 80.
Southwest winds 10 to 15 mph.
$$
RIZ007-180800-
Newport RI-
Including the cities of Newport, Portsmouth, and Tiverton
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 50 10 10
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 62 (-5) 73 (-10) 53 77
RH % (24h trend) 97 (-3) 43 (-18) 96 43
20ft Wnd AM(mph) NE 12 G23 NE 7
20ft Wnd PM(mph) SW 7 G21 NE 11 G20 NE 8 E 9
Precip Amount 0.35 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 5 AM
Mixing Hgt (ft-AGL) 520 3990 300 4790
Transport Wnd (kts) W 12 NE 14 NE 7 E 10
Vent Rate (kt-ft) 6240 55860 2100 47900
Max ADI Early 27 Fair 51 Gen Good 38 Fair 43 Gen Good
Max ADI Late 26 Fair 49 Gen Good 5 Very Poor 46 Gen Good
Max LVORI Early 5 1 5 1
Max LVORI Late 5 1 5 1
Min Vsby Early 2 Fog 9 9 9
Min Vsby Late 3 Fog 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. East winds
5 to 10 mph.
.WEDNESDAY...Partly sunny with a chance of showers. Highs in the
mid 70s. East winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the lower 60s. Northeast winds 10 to 15 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
10 to 15 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. North
winds 10 to 15 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the mid 60s.
Highs around 80. South winds 10 to 15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 60s. South
winds 10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds 10 to 15 mph.
$$
RIZ008-180800-
Block Island RI-
Including the city of New Shoreham
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Tstms Showers None None
Chance Precip (%) 60 20 10 10
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 63 (-5) 72 (-8) 58 73
RH % (24h trend) 93 (-7) 49 (-23) 87 55
20ft Wnd AM(mph) NE 17 G27 E 11 G17
20ft Wnd PM(mph) SW 10 G22 NE 14 G22 NE 13 G19 E 10 G17
Precip Amount 0.15 0.04 0.00 0.00
Precip Duration 3 0
Precip Begin 6 PM Continuing
Precip End Continuing 1 PM
Mixing Hgt (ft-AGL) 640 2730 1740 3330
Transport Wnd (kts) SW 18 NE 19 E 15 E 14
Vent Rate (kt-ft) 11520 51870 26100 46620
Max ADI Early 25 Fair 58 Gen Good 41 Gen Good 43 Gen Good
Max ADI Late 31 Fair 50 Gen Good 22 Fair 42 Gen Good
Max LVORI Early 5 1 3 2
Max LVORI Late 5 1 3 2
Min Vsby Early 5 Fog 9 9 9
Min Vsby Late 5 Fog 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 90 20 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the mid 60s. East winds
5 to 10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the mid 60s. Highs in the mid 70s. Northeast
winds 10 to 15 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Northeast winds
10 to 15 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 60s. North winds
10 to 15 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the mid 60s.
Highs in the upper 70s. South winds 10 to 15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 60s. South
winds 10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the mid
70s. Southwest winds 10 to 15 mph.
$$
MAZ017-180800-
Northern Bristol MA-
Including the cities of Attleboro, Berkley, Easton, Mansfield,
Rehoboth, and Taunton
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 50 10 10
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 60 (-5) 72 (-16) 47 77
RH % (24h trend) 97 (-3) 39 (-13) 100 39
20ft Wnd AM(mph) NE 9 G19 Lgt/Var
20ft Wnd PM(mph) SW 5 NE 8 G18 Lgt/Var E 5
Precip Amount 0.44 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 3 AM
Mixing Hgt (ft-AGL) 540 4040 240 5300
Transport Wnd (kts) N 12 NE 15 E 7 E 7
Vent Rate (kt-ft) 6480 60600 1680 37100
Max ADI Early 30 Fair 68 Good 34 Fair 52 Gen Good
Max ADI Late 19 Gen Poor 65 Good 3 Very Poor 58 Gen Good
Max LVORI Early 5 1 9 1
Max LVORI Late 5 1 9 1
Min Vsby Early 2 Fog 9 9 9
Min Vsby Late 4 Fog 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East winds
around 5 mph.
.WEDNESDAY...Partly sunny with a chance of showers. Highs in the
mid 70s. East winds around 5 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 50s.
Highs in the mid 80s. Northwest winds 5 to 10 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the lower 60s.
Highs in the mid 80s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 5 to 10 mph.
$$
MAZ018-180800-
Western Plymouth MA-
Including the cities of Bridgewater, Brockton, Carver,
Middleboro, and Pembroke
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 40 10 10
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 60 (-5) 71 (-17) 47 76
RH % (24h trend) 93 (-7) 42 (-7) 100 43
20ft Wnd AM(mph) NE 11 G22 Lgt/Var
20ft Wnd PM(mph) SW 6 G18 NE 9 G21 NE 5 E 6
Precip Amount 0.36 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 4 AM
Mixing Hgt (ft-AGL) 520 3670 210 4890
Transport Wnd (kts) NE 18 NE 15 E 6 E 8
Vent Rate (kt-ft) 9360 55050 1260 39120
Max ADI Early 33 Fair 52 Gen Good 30 Fair 54 Gen Good
Max ADI Late 22 Fair 60 Gen Good 4 Very Poor 57 Gen Good
Max LVORI Early 4 1 9 1
Max LVORI Late 4 1 9 1
Min Vsby Early 2 Fog 9 9 9
Min Vsby Late 4 Fog 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the upper 50s. East winds
around 5 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the upper 50s. Highs in the mid 70s. Northeast
winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 50s.
Highs in the mid 80s. Northwest winds 5 to 10 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the lower 60s.
Highs in the mid 80s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 5 to 10 mph.
$$
MAZ019-180800-
Eastern Plymouth MA-
Including the cities of Cohasset, Hingham, Marshfield, Plymouth,
and Scituate
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 40 10 10
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 61 (-5) 71 (-15) 49 76
RH % (24h trend) 93 (-7) 45 (-2) 100 44
20ft Wnd AM(mph) NE 15 G25 NE 6
20ft Wnd PM(mph) W 8 G21 NE 11 G22 NE 7 E 7
Precip Amount 0.28 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 4 AM
Mixing Hgt (ft-AGL) 430 3270 130 4220
Transport Wnd (kts) SW 16 NE 17 NE 8 E 9
Vent Rate (kt-ft) 6880 55590 1040 37980
Max ADI Early 21 Fair 55 Gen Good 31 Fair 45 Gen Good
Max ADI Late 32 Fair 51 Gen Good 7 Poor 45 Gen Good
Max LVORI Early 4 1 5 1
Max LVORI Late 4 1 5 1
Min Vsby Early 3 Fog 9 9 9
Min Vsby Late 7 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows around 60. East winds 5 to
10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the lower 60s. Highs in the mid 70s. Northeast
winds 10 to 15 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Northeast winds
10 to 15 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows around 60. Highs
in the lower 80s. Northeast winds 10 to 15 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the mid 60s.
Highs in the lower 80s. South winds 10 to 15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. South winds 10 to 15 mph.
$$
MAZ020-180800-
Southern Bristol MA-
Including the cities of Acushnet, Fall River, New Bedford,
Swansea, and Westport
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 50 10 10
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 61 (-5) 74 (-10) 48 79
RH % (24h trend) 100 (0) 41 (-16) 100 43
20ft Wnd AM(mph) NE 11 G24 NE 5
20ft Wnd PM(mph) SW 7 G21 NE 10 G22 NE 7 G17 E 8 G17
Precip Amount 0.29 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 5 AM
Mixing Hgt (ft-AGL) 480 3910 190 5150
Transport Wnd (kts) W 12 NE 15 E 8 E 9
Vent Rate (kt-ft) 5760 58650 1520 46350
Max ADI Early 31 Fair 52 Gen Good 36 Fair 49 Gen Good
Max ADI Late 23 Fair 55 Gen Good 5 Very Poor 51 Gen Good
Max LVORI Early 5 1 7 1
Max LVORI Late 5 1 7 1
Min Vsby Early 2 Fog 9 9 9
Min Vsby Late 3 Fog 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows around 60. East winds 5 to
10 mph.
.WEDNESDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. East winds 10 to 15 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
around 60. Northeast winds 10 to 15 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
15 to 20 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. North
winds 15 to 20 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows 59 to 64. Highs in
the lower 80s. South winds 10 to 15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 10 to 15 mph.
$$
MAZ021-180800-
Southern Plymouth MA-
Including the cities of Marion, Mattapoisett, Rochester,
and Wareham
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 50 10 10
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 61 (-4) 73 (-11) 48 77
RH % (24h trend) 97 (-3) 46 (-13) 100 48
20ft Wnd AM(mph) NE 12 G23 NE 6
20ft Wnd PM(mph) SW 8 G21 NE 11 G23 NE 7 E 8 G17
Precip Amount 0.25 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 4 AM
Mixing Hgt (ft-AGL) 520 3650 210 4980
Transport Wnd (kts) W 13 NE 16 E 8 E 9
Vent Rate (kt-ft) 6760 58400 1680 44820
Max ADI Early 34 Fair 55 Gen Good 35 Fair 45 Gen Good
Max ADI Late 21 Fair 53 Gen Good 5 Very Poor 47 Gen Good
Max LVORI Early 5 1 7 1
Max LVORI Late 5 1 7 1
Min Vsby Early 2 Fog 9 9 9
Min Vsby Late 3 Fog 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 100 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows around 60. East winds 5 to
10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the lower 60s. Highs in the upper 70s. Northeast
winds 10 to 15 mph.
.THURSDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
15 to 20 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 50s.
Highs in the lower 80s. Northwest winds 10 to 15 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the mid 60s.
Highs in the lower 80s. South winds 10 to 15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 10 to 15 mph.
$$
MAZ022-180800-
Barnstable MA-
Including the cities of Bourne, Chatham, Falmouth, Hyannis,
Provincetown, and Wellfleet
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 30 10
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 62 (-4) 72 (-9) 51 76
RH % (24h trend) 100 (0) 48 (-9) 100 48
20ft Wnd AM(mph) NE 15 G25 E 8
20ft Wnd PM(mph) SW 10 G23 NE 13 G23 NE 9 G17 E 8
Precip Amount 0.09 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 5 AM
Mixing Hgt (ft-AGL) 660 3290 160 4390
Transport Wnd (kts) SW 19 NE 17 NE 10 E 10
Vent Rate (kt-ft) 12540 55930 1600 43900
Max ADI Early 32 Fair 56 Gen Good 35 Fair 46 Gen Good
Max ADI Late 35 Fair 55 Gen Good 11 Poor 44 Gen Good
Max LVORI Early 4 1 5 1
Max LVORI Late 4 1 5 1
Min Vsby Early 5 Fog 9 9 9
Min Vsby Late 5 Fog 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 40 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. East winds
5 to 10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the lower 60s. Highs in the mid 70s. Northeast
winds 10 to 15 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Northeast winds
15 to 20 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the lower 60s.
Highs around 80. Northwest winds 15 to 20 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the mid 60s.
Highs in the upper 70s. South winds 10 to 15 mph.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the mid 60s.
Highs in the upper 70s. South winds 10 to 15 mph.
$$
MAZ023-180800-
Dukes MA-
Including the cities of Edgartown, Oak Bluffs, and Vineyard Haven
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 40 20 10 10
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 61 (-4) 73 (-7) 49 74
RH % (24h trend) 100 (0) 49 (-16) 100 51
20ft Wnd AM(mph) NE 17 G26 E 10 G17
20ft Wnd PM(mph) SW 10 G22 NE 15 G23 NE 11 G18 E 9 G17
Precip Amount 0.19 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 5 AM
Mixing Hgt (ft-AGL) 550 3410 460 3880
Transport Wnd (kts) W 15 NE 17 NE 12 E 14
Vent Rate (kt-ft) 8250 57970 5520 54320
Max ADI Early 29 Fair 57 Gen Good 39 Fair 60 Gen Good
Max ADI Late 29 Fair 55 Gen Good 13 Gen Poor 47 Gen Good
Max LVORI Early 4 1 5 1
Max LVORI Late 4 1 5 1
Min Vsby Early 4 Fog 9 9 9
Min Vsby Late 3 Fog 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 90 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 60s. East winds
5 to 10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the lower 60s. Highs in the mid 70s. Northeast
winds 10 to 15 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Northeast winds
15 to 20 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. North
winds 15 to 20 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the mid 60s.
Highs in the upper 70s. South winds 15 to 20 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds 10 to 15 mph.
$$
MAZ024-180800-
Nantucket MA-
Including the city of Nantucket
409 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Mcldy Pcldy Pcldy Pcldy
Precip Type Showers Showers None None
Chance Precip (%) 40 30 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 62 (-3) 73 (-4) 54 74
RH % (24h trend) 100 (0) 59 (-9) 100 53
20ft Wnd AM(mph) NE 18 G26 E 10
20ft Wnd PM(mph) SW 11 G22 NE 17 G24 NE 13 G20 E 9 G17
Precip Amount 0.06 0.04 0.00 0.00
Precip Duration 2 1
Precip Begin 7 PM 6 AM
Precip End 5 AM 11 AM
Mixing Hgt (ft-AGL) 760 3030 2240 3590
Transport Wnd (kts) SW 19 NE 20 E 15 E 13
Vent Rate (kt-ft) 14440 60600 33600 46670
Max ADI Early 28 Fair 60 Gen Good 45 Gen Good 53 Gen Good
Max ADI Late 27 Fair 57 Gen Good 23 Fair 51 Gen Good
Max LVORI Early 5 2 4 3
Max LVORI Late 5 2 4 3
Min Vsby Early 6 Fog 9 9 9
Min Vsby Late 3 Fog 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 20 20 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 60s. East winds
5 to 10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. A chance of
showers. Lows in the lower 60s. Highs in the mid 70s. East winds
10 to 15 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Northeast winds
15 to 20 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the mid 60s.
Highs in the upper 70s. Northwest winds 15 to 20 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the mid 60s.
Highs in the mid 70s. South winds 10 to 15 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the mid
70s. South winds 10 to 15 mph.
$$
.OUTLOOK 8 TO 14 DAYS...
Temperatures below normal. Precipitation above normal.
$$
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