Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
764
FNUS51 KBOX 190810
FWFBOX
Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
409 AM EDT Tue Aug 19 2025
.DISCUSSION...
A dry much cooler and less humid airmass works into the region
today. Highs will be in the 70s with northeast wind gusts of
20 to 30 mph along the coast. Minimum afternoon relative humidity
values will drop to between 30 and 40 percent.
.OUTLOOK...Tuesday through Sunday...
Generally dry weather prevails for most of the work week.
Temperatures a bit below normal will return to seasonable levels
Friday into the weekend. An extended period of mainly dry weather
will persist through Saturday with the next main chance for
showers not until Sunday.
MAZ015-192000-
Suffolk MA-
Including the cities of Boston, Chelsea, Revere, and Winthrop
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 73 (+4) 58 (+3) 71
RH % (24h trend) 49 (+3) 87 (+4) 59
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) E 8 SE 5 E 6
Precip Amount 0.00 0.00 0.04
Precip Duration 1
Precip Begin 11 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 4370 410 3770
Transport Wnd (kts) E 7 SE 3 E 8
Vent Rate (kt-ft) 30590 1230 30160
Max ADI Early 36 Fair 31 Fair 19 Gen Poor
Max ADI Late 39 Fair 4 Very Poor 1 Very Poor
Max LVORI Early 1 4 4
Max LVORI Late 1 4 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 7
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
around 60. East winds 5 to 10 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Lows around 60.
Highs in the lower 70s. Northeast winds 10 to 15 mph.
.FRIDAY...Sunny. Highs in the mid 70s. Northeast winds 10 to
15 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. East winds
10 to 15 mph, becoming west 5 to 10 mph after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the lower
60s. Highs in the lower 80s. South winds 10 to 15 mph.
.SUNDAY...Mostly sunny. Highs around 80. South winds 10 to
15 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. South winds 10 to 15 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds 5 to 10 mph.
$$
MAZ016-192000-
Eastern Norfolk MA-
Including the cities of Braintree, Milton, Quincy, and Weymouth
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 73 (+4) 57 (+2) 72
RH % (24h trend) 48 (-1) 86 (0) 60
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) E 7 Lgt/Var E 5
Precip Amount 0.00 0.00 0.05
Precip Duration 1
Precip Begin 11 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 4390 340 3500
Transport Wnd (kts) E 7 SE 2 E 8
Vent Rate (kt-ft) 30730 680 28000
Max ADI Early 39 Fair 29 Fair 18 Gen Poor
Max ADI Late 40 Fair 3 Very Poor 1 Very Poor
Max LVORI Early 2 5 4
Max LVORI Late 2 5 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 8
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. East winds 5 to 10 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Lows in the upper
50s. Highs in the lower 70s. Northeast winds 10 to 15 mph.
.FRIDAY...Sunny. Highs in the mid 70s. Northeast winds 10 to
15 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds 10 to 15 mph, becoming west 5 to 10 mph after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows 59 to 64. Highs
in the lower 80s. South winds 10 to 15 mph.
.SUNDAY...Mostly sunny. Highs around 80. South winds 10 to
15 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. South winds 10 to 15 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
Southwest winds 5 to 10 mph.
$$
MAZ013-192000-
Western Norfolk MA-
Including the cities of Bellingham, Dedham, Foxborough, Medfield,
Norwood, Stoughton, and Wellesley
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 73 (+2) 54 (+3) 70
RH % (24h trend) 44 (+3) 90 (0) 60
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) E 6 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.06
Precip Duration 1
Precip Begin 11 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5370 320 3310
Transport Wnd (kts) E 6 SE 3 E 7
Vent Rate (kt-ft) 32220 960 23170
Max ADI Early 37 Fair 38 Fair 20 Gen Poor
Max ADI Late 42 Gen Good 3 Very Poor 18 Gen Poor
Max LVORI Early 1 6 4
Max LVORI Late 1 6 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 7
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. East winds around 5 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the upper 50s.
Highs in the mid 70s. Northeast winds 5 to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds around 5 mph, becoming west after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the upper
50s. Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly sunny. Highs around 80. South winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. South winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
Southwest winds around 5 mph.
$$
MAZ014-192000-
Southeast Middlesex MA-
Including the cities of Cambridge, Lexington, Newton, Waltham,
and Woburn
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 73 (+1) 58 (+6) 72
RH % (24h trend) 46 (+4) 83 (-4) 60
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) E 7 SE 5 E 5
Precip Amount 0.00 0.00 0.05
Precip Duration 1
Precip Begin 11 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 4940 360 3850
Transport Wnd (kts) E 6 SE 3 SE 7
Vent Rate (kt-ft) 29640 1080 26950
Max ADI Early 39 Fair 32 Fair 17 Gen Poor
Max ADI Late 43 Gen Good 3 Very Poor 1 Very Poor
Max LVORI Early 1 5 4
Max LVORI Late 1 5 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. East winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Lows in the upper
50s. Highs in the lower 70s. North winds 5 to 10 mph.
.FRIDAY...Sunny. Highs in the upper 70s. Northeast winds 5 to
10 mph.
.FRIDAY NIGHT...Mostly clear. Lows around 60. Southeast winds
around 5 mph, becoming west after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the lower
60s. Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. South winds 5 to
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. South winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds around 5 mph.
$$
MAZ007-192000-
Eastern Essex MA-
Including the cities of Beverly, Gloucester, Newburyport,
Peabody, Salem, and Saugus
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 73 (+3) 57 (+5) 74
RH % (24h trend) 46 (+4) 90 (0) 55
20ft Wnd AM(mph) NE 5 Lgt/Var
20ft Wnd PM(mph) E 7 Lgt/Var E 5
Precip Amount 0.00 0.00 0.04
Precip Duration 1
Precip Begin 11 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 4110 320 3410
Transport Wnd (kts) E 7 S 3 SE 7
Vent Rate (kt-ft) 28770 960 23870
Max ADI Early 30 Fair 20 Gen Poor 14 Gen Poor
Max ADI Late 31 Fair 4 Very Poor 17 Gen Poor
Max LVORI Early 2 5 4
Max LVORI Late 2 5 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 8
Sunshine Hours N/A N/A N/A
CWR 0 0 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. East winds 5 to 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the upper 50s.
Highs in the mid 70s. Northeast winds 15 to 20 mph.
.FRIDAY NIGHT...Mostly clear. Lows around 60. Southeast winds
10 to 15 mph, becoming west after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the lower
60s. Highs around 80. Southwest winds 10 to 15 mph.
.SUNDAY...Mostly sunny. Highs around 80. South winds 10 to
15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the mid 60s. Highs in the upper 70s. South winds 10 to
15 mph.
$$
MAZ006-192000-
Western Essex MA-
Including the cities of Amesbury, Andover, Haverhill, Lawrence,
Methuen, and Topsfield
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 10 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 73 (+1) 56 (+4) 71
RH % (24h trend) 42 (+6) 87 (-6) 55
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) E 6 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.05
Precip Duration 1
Precip Begin 11 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 4850 350 3680
Transport Wnd (kts) E 5 S 3 SE 6
Vent Rate (kt-ft) 24250 1050 22080
Max ADI Early 32 Fair 27 Fair 17 Gen Poor
Max ADI Late 35 Fair 3 Very Poor 17 Gen Poor
Max LVORI Early 2 6 4
Max LVORI Late 2 6 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 50s. East winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 70s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northeast
winds around 5 mph.
.FRIDAY...Sunny. Highs in the upper 70s. Northeast winds 5 to
10 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Southeast
winds around 5 mph, becoming west after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows around 60.
Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. South winds 5 to
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds around 5 mph.
$$
MAZ005-192000-
Central Middlesex MA-
Including the cities of Burlington, Chelmsford, Framingham,
Hopkinton, Lowell, and Natick
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 10 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 74 (0) 55 (+5) 70
RH % (24h trend) 41 (+4) 90 (-6) 58
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) E 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.06
Precip Duration 1
Precip Begin 11 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5560 350 3450
Transport Wnd (kts) E 5 SE 3 E 7
Vent Rate (kt-ft) 27800 1050 24150
Max ADI Early 31 Fair 38 Fair 19 Gen Poor
Max ADI Late 40 Fair 3 Very Poor 1 Very Poor
Max LVORI Early 1 6 4
Max LVORI Late 1 6 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.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
5 to 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northeast
winds 5 to 10 mph.
.FRIDAY...Sunny. Highs in the upper 70s. Northeast winds 5 to
10 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Southeast
winds around 5 mph, becoming west after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows around 60.
Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. Southwest winds
5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. South winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds 5 to 10 mph.
$$
MAZ012-192000-
Southern Worcester MA-
Including the cities of Milford, Oxford, Sturbridge, Uxbridge,
Westborough, and Worcester
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 10 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 74 (0) 54 (+2) 70
RH % (24h trend) 44 (+6) 93 (-7) 66
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.10
Precip Duration 2
Precip Begin 9 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5560 300 2410
Transport Wnd (kts) SE 5 SE 3 E 7
Vent Rate (kt-ft) 27800 900 16870
Max ADI Early 32 Fair 36 Fair 16 Gen Poor
Max ADI Late 38 Fair 3 Very Poor 20 Gen Poor
Max LVORI Early 2 7 4
Max LVORI Late 2 7 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 6 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Patchy
fog. Lows in the mid 50s. Northeast winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Lows in the mid
50s. Highs in the lower 70s. North winds 5 to 10 mph.
.FRIDAY...Sunny. Highs in the upper 70s. Northeast winds 5 to
10 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Southeast
winds around 5 mph, becoming west after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the upper
50s. Highs in the lower 80s. Southwest winds 5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
Southwest winds 5 to 10 mph.
$$
MAZ004-192000-
Northern Worcester MA-
Including the cities of Athol, Boylston, Brookfield, Fitchburg,
Gardner, and Harvard
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 10 50
Chance of Thunder (%) 0 0 0
Temp (24h trend) 74 (-1) 52 (+2) 67
RH % (24h trend) 38 (+6) 90 (-3) 58
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.10
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5430 260 2440
Transport Wnd (kts) SE 5 SE 4 E 8
Vent Rate (kt-ft) 27150 1040 19520
Max ADI Early 28 Fair 33 Fair 11 Poor
Max ADI Late 37 Fair 4 Very Poor 1 Very Poor
Max LVORI Early 2 6 4
Max LVORI Late 2 6 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the lower 50s. Northeast winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Lows in the lower
50s. Highs in the lower 70s. Northeast winds 5 to 10 mph.
.FRIDAY...Sunny. Highs in the upper 70s. Northeast winds 5 to
10 mph.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows in the
upper 50s. Highs in the lower 80s. Southwest winds 5 to 10 mph.
.SUNDAY THROUGH MONDAY...Mostly cloudy with a chance of showers.
Lows around 60. Highs in the upper 70s. Southwest winds 5 to
10 mph.
$$
MAZ026-192000-
Northern Middlesex MA-
Including the cities of Ashby, Ayer, Groton, Pepperell, Shirley,
and Townsend
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 10 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 75 (0) 53 (+2) 69
RH % (24h trend) 46 (+9) 90 (+1) 67
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.07
Precip Duration 1
Precip Begin 10 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5800 340 2410
Transport Wnd (kts) SE 5 S 3 SE 5
Vent Rate (kt-ft) 29000 1020 12050
Max ADI Early 25 Fair 36 Fair 15 Gen Poor
Max ADI Late 36 Fair 3 Very Poor 13 Gen Poor
Max LVORI Early 2 6 4
Max LVORI Late 2 6 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 50s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the mid 70s. Northeast winds
around 5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. Northeast
winds around 5 mph.
.FRIDAY...Sunny. Highs around 80. Northeast winds around 5 mph.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows in the
upper 50s. Highs in the lower 80s. Southwest winds around 5 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs around 80.
Southwest winds 5 to 10 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the lower 60s. Highs around 80. Southwest winds around
5 mph.
$$
MAZ002-192000-
Western Franklin MA-
Including the cities of Ashfield, Charlemont, Colrain,
and Shelburne
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Mcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 20 50
Chance of Thunder (%) 0 0 20
Temp (24h trend) 74 (+1) 51 (+4) 64
RH % (24h trend) 44 (+11) 90 (+4) 70
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.22
Precip Duration 2
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5120 150 2180
Transport Wnd (kts) S 6 S 6 SE 11
Vent Rate (kt-ft) 30720 900 23980
Max ADI Early 27 Fair 33 Fair 14 Gen Poor
Max ADI Late 44 Gen Good 4 Very Poor 20 Gen Poor
Max LVORI Early 2 6 4
Max LVORI Late 2 6 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 8
Sunshine Hours N/A N/A N/A
CWR 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the lower 50s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 70s. Northeast winds
around 5 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the lower 50s.
Highs in the upper 70s. Northeast winds around 5 mph.
.FRIDAY NIGHT...Clear. Lows in the mid 50s. Southwest winds
around 5 mph.
.SATURDAY...Sunny. Highs around 80. Southwest winds around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 50s. South
winds around 5 mph.
.SUNDAY THROUGH MONDAY...Mostly cloudy with a chance of showers.
Lows in the upper 50s. Highs in the mid 70s. Southwest winds
around 5 mph.
$$
MAZ003-192000-
Eastern Franklin MA-
Including the cities of Greenfield, Leverett, Northfield, Orange,
and Whately
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 10 50
Chance of Thunder (%) 0 0 0
Temp (24h trend) 76 (0) 54 (+6) 67
RH % (24h trend) 38 (+9) 90 (+1) 60
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.15
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5590 210 2320
Transport Wnd (kts) S 5 SE 4 SE 9
Vent Rate (kt-ft) 27950 840 20880
Max ADI Early 27 Fair 29 Fair 11 Poor
Max ADI Late 42 Gen Good 4 Very Poor 1 Very Poor
Max LVORI Early 2 6 4
Max LVORI Late 2 6 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 50s. Northeast winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Lows in the lower
50s. Highs in the mid 70s. North winds 5 to 10 mph.
.FRIDAY...Sunny. Highs around 80. North winds 5 to 10 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the mid 50s.
Highs in the lower 80s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows around 60. South winds 5 to
10 mph.
.SUNDAY THROUGH MONDAY...Mostly cloudy with a chance of showers.
Lows in the lower 60s. Highs in the upper 70s. Southwest winds
5 to 10 mph.
$$
MAZ008-192000-
Western Hampshire MA-
Including the cities of Chesterfield, Plainfield, Westhampton,
Williamsburg, and Worthington
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 20 50
Chance of Thunder (%) 0 0 20
Temp (24h trend) 73 (0) 51 (+3) 64
RH % (24h trend) 46 (+10) 93 (+7) 75
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.23
Precip Duration 2
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5240 210 2020
Transport Wnd (kts) S 6 S 7 SE 11
Vent Rate (kt-ft) 31440 1470 22220
Max ADI Early 27 Fair 34 Fair 9 Poor
Max ADI Late 43 Gen Good 4 Very Poor 1 Very Poor
Max LVORI Early 2 6 6
Max LVORI Late 2 6 6
Min Vsby Early 9 9 8
Min Vsby Late 9 9 5 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Patchy
fog. Lows in the lower 50s. Northeast winds around 5 mph.
.THURSDAY...Mostly sunny. Highs in the lower 70s. Northeast winds
around 5 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the lower 50s.
Highs in the upper 70s. Northeast winds around 5 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the mid 50s.
Highs in the upper 70s. South winds around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 50s. South
winds around 5 mph.
.SUNDAY THROUGH MONDAY...Mostly cloudy with a chance of showers.
Lows in the upper 50s. Highs in the mid 70s. West winds 5 to
10 mph.
$$
MAZ010-192000-
Eastern Hampshire MA-
Including the cities of Amherst, Belchertown, Northampton,
Southampton, and Ware
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 10 50
Chance of Thunder (%) 0 0 20
Temp (24h trend) 77 (0) 54 (+5) 67
RH % (24h trend) 41 (+7) 90 (+1) 65
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.17
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5900 310 2420
Transport Wnd (kts) S 5 SE 4 E 8
Vent Rate (kt-ft) 29500 1240 19360
Max ADI Early 29 Fair 31 Fair 9 Poor
Max ADI Late 42 Gen Good 4 Very Poor 1 Very Poor
Max LVORI Early 2 6 4
Max LVORI Late 2 6 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 50s. Northeast winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Lows in the mid
50s. Highs in the mid 70s. North winds 5 to 10 mph.
.FRIDAY...Sunny. Highs in the lower 80s. North winds 5 to 10 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the mid 50s.
Highs in the lower 80s. South winds 5 to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY THROUGH MONDAY...Mostly cloudy with a chance of showers.
Lows in the lower 60s. Highs in the upper 70s. Southwest winds
5 to 10 mph.
$$
MAZ009-192000-
Western Hampden MA-
Including the cities of Blandford, Chester, Granville,
Montgomery, Russell, and Tolland
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 20 50
Chance of Thunder (%) 0 0 20
Temp (24h trend) 74 (+1) 53 (+4) 65
RH % (24h trend) 46 (+10) 96 (+7) 76
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.21
Precip Duration 2
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5270 110 2000
Transport Wnd (kts) S 6 SE 6 E 11
Vent Rate (kt-ft) 31620 660 22000
Max ADI Early 27 Fair 39 Fair 15 Gen Poor
Max ADI Late 43 Gen Good 4 Very Poor 21 Fair
Max LVORI Early 2 6 5
Max LVORI Late 2 6 5
Min Vsby Early 9 9 6 Fog
Min Vsby Late 9 9 4 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Patchy fog. Lows in the lower 50s. Northeast winds
around 5 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
lower 70s. Northeast winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. Northeast
winds 5 to 10 mph.
.FRIDAY...Sunny. Highs in the upper 70s. Northeast winds 5 to
10 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the mid 50s.
Highs around 80. Southwest winds around 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 50s. South
winds 5 to 10 mph.
.SUNDAY THROUGH MONDAY...Mostly cloudy with a chance of showers.
Lows around 60. Highs in the mid 70s. West winds 5 to 10 mph.
$$
MAZ011-192000-
Eastern Hampden MA-
Including the cities of Chicopee, Holland, Palmer, Southwick,
Springfield, and Westfield
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 10 50
Chance of Thunder (%) 0 0 20
Temp (24h trend) 77 (0) 54 (+3) 69
RH % (24h trend) 39 (+7) 90 (-3) 65
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.15
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 6050 300 2420
Transport Wnd (kts) S 5 SE 4 E 9
Vent Rate (kt-ft) 30250 1200 21780
Max ADI Early 32 Fair 36 Fair 17 Gen Poor
Max ADI Late 41 Gen Good 4 Very Poor 21 Fair
Max LVORI Early 2 6 4
Max LVORI Late 2 6 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 8
Sunshine Hours N/A N/A N/A
CWR 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 50s. Northeast winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Lows in the mid
50s. Highs in the mid 70s. North winds 5 to 10 mph.
.FRIDAY...Sunny. Highs around 80. Northeast winds 5 to 10 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the mid 50s.
Highs in the lower 80s. Southwest winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY THROUGH MONDAY...Mostly cloudy with a chance of showers.
Lows in the lower 60s. Highs in the upper 70s. Southwest winds
5 to 10 mph.
$$
CTZ002-192000-
Hartford CT-
Including the cities of Hartford, Glastonbury, Granby,
Southington, and Windsor Locks
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 10 50
Chance of Thunder (%) 0 0 30
Temp (24h trend) 77 (0) 55 (+1) 69
RH % (24h trend) 38 (+1) 93 (-3) 68
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var E 5
Precip Amount 0.00 0.00 0.15
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 6260 330 2350
Transport Wnd (kts) SE 5 E 5 E 11
Vent Rate (kt-ft) 31300 1650 25850
Max ADI Early 32 Fair 46 Gen Good 19 Gen Poor
Max ADI Late 43 Gen Good 4 Very Poor 24 Fair
Max LVORI Early 1 6 4
Max LVORI Late 1 6 4
Min Vsby Early 9 9 8
Min Vsby Late 9 9 5 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Patchy fog. Lows in the mid 50s. Northeast winds
5 to 10 mph.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
mid 70s. Northeast winds 5 to 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northeast
winds 5 to 10 mph.
.FRIDAY...Sunny. Highs around 80. North winds 5 to 10 mph.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows around
60. Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. South winds 5 to 10 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the lower 60s. Highs around 80. Southwest winds 5 to
10 mph.
$$
CTZ003-192000-
Tolland CT-
Including the cities of Mansfield, Stafford Springs, and Vernon
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Tstms
Chance Precip (%) 10 50
Chance of Thunder (%) 0 0 20
Temp (24h trend) 76 (0) 54 (+2) 69
RH % (24h trend) 43 (+3) 90 (-10) 72
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var E 5
Precip Amount 0.00 0.00 0.12
Precip Duration 2
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5900 220 2070
Transport Wnd (kts) SE 5 SE 6 E 10
Vent Rate (kt-ft) 29500 1320 20700
Max ADI Early 32 Fair 37 Fair 17 Gen Poor
Max ADI Late 40 Fair 4 Very Poor 20 Gen Poor
Max LVORI Early 1 6 4
Max LVORI Late 1 6 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 3 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Patchy
fog. Lows in the mid 50s. Northeast winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Lows in the mid
50s. Highs in the mid 70s. Northeast winds 5 to 10 mph.
.FRIDAY...Sunny. Highs in the upper 70s. Northeast winds 5 to
10 mph.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows in the
upper 50s. Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. South winds 5 to 10 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the lower 60s. Highs in the upper 70s. Southwest winds
5 to 10 mph.
$$
CTZ004-192000-
Windham CT-
Including the cities of Ashford, Plainfield, Putnam,
and Willimantic
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 10 50
Chance of Thunder (%) 0 0 0
Temp (24h trend) 76 (-1) 54 (+2) 70
RH % (24h trend) 41 (+1) 93 (-7) 66
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var E 5
Precip Amount 0.00 0.00 0.10
Precip Duration 2
Precip Begin 8 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5920 290 2350
Transport Wnd (kts) SE 5 E 5 E 9
Vent Rate (kt-ft) 29600 1450 21150
Max ADI Early 34 Fair 35 Fair 18 Gen Poor
Max ADI Late 42 Gen Good 3 Very Poor 20 Gen Poor
Max LVORI Early 1 6 4
Max LVORI Late 1 6 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 4 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Patchy
fog. Lows in the mid 50s. Northeast winds around 5 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Lows in the mid
50s. Highs in the mid 70s. Northeast winds 5 to 10 mph.
.FRIDAY...Mostly sunny. Highs in the upper 70s. Northeast winds
5 to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. East winds
5 to 10 mph, becoming west after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the upper
50s. Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. South winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. South winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
Southwest winds around 5 mph.
$$
RIZ001-192000-
Northwest Providence RI-
Including the cities of Cumberland, Foster, Glocester,
and Smithfield
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 74 (-2) 54 (+3) 69
RH % (24h trend) 46 (0) 93 (-3) 65
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.09
Precip Duration 1
Precip Begin 10 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5720 270 2470
Transport Wnd (kts) SE 5 E 3 E 8
Vent Rate (kt-ft) 28600 810 19760
Max ADI Early 36 Fair 37 Fair 19 Gen Poor
Max ADI Late 43 Gen Good 3 Very Poor 20 Gen Poor
Max LVORI Early 1 6 4
Max LVORI Late 1 6 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 5 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Patchy
fog. Lows in the upper 50s. Northeast winds around 5 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the upper 50s.
Highs in the mid 70s. Northeast winds 5 to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds 5 to 10 mph, becoming west after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows around 60.
Highs in the lower 80s. Southwest winds 5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. South winds 5 to
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. Southwest winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds around 5 mph.
$$
RIZ002-192000-
Southeast Providence RI-
Including the cities of Cranston, Johnston, Pawtucket,
and Providence
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 75 (-3) 56 (+2) 71
RH % (24h trend) 48 (+5) 87 (+1) 64
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) E 5 Lgt/Var E 5
Precip Amount 0.00 0.00 0.09
Precip Duration 1
Precip Begin 10 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 6000 350 3000
Transport Wnd (kts) E 6 E 3 E 10
Vent Rate (kt-ft) 36000 1050 30000
Max ADI Early 40 Fair 42 Gen Good 20 Gen Poor
Max ADI Late 47 Gen Good 3 Very Poor 26 Fair
Max LVORI Early 1 6 4
Max LVORI Late 1 6 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 8
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. Northeast winds 5 to 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the upper 50s.
Highs in the mid 70s. Northeast winds 10 to 15 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds 10 to 15 mph, becoming northwest 5 to 10 mph after
midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the lower
60s. Highs in the lower 80s. Southwest winds 10 to 15 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. South winds 10 to
15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the mid 60s. Highs around 80. Southwest winds 10 to
15 mph.
$$
RIZ003-192000-
Western Kent RI-
Including the cities of Coventry and West Greenwich
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 73 (-1) 55 (+2) 69
RH % (24h trend) 48 (+2) 90 (0) 65
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) E 5 Lgt/Var E 6
Precip Amount 0.00 0.00 0.07
Precip Duration 1
Precip Begin 10 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5550 270 2400
Transport Wnd (kts) E 6 E 5 E 9
Vent Rate (kt-ft) 33300 1350 21600
Max ADI Early 42 Gen Good 37 Fair 21 Fair
Max ADI Late 46 Gen Good 3 Very Poor 23 Fair
Max LVORI Early 1 6 4
Max LVORI Late 1 6 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 5 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Patchy
fog. Lows in the upper 50s. Northeast winds around 5 mph.
.THURSDAY...Partly sunny. Highs in the lower 70s. Northeast winds
5 to 10 mph.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows in the mid 50s.
Highs in the upper 70s. Northeast winds around 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds 5 to 10 mph, becoming northwest after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows around 60.
Highs in the upper 70s. Southwest winds 5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. South winds 5 to
10 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the mid 60s. Highs in the upper 70s. Southwest winds 5 to
10 mph.
$$
RIZ004-192000-
Eastern Kent RI-
Including the cities of East Greenwich, Warwick, and West Warwick
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type None None Showers
Chance Precip (%) 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 75 (0) 57 (+2) 72
RH % (24h trend) 43 (+4) 90 (+3) 58
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) SE 6 SE 5 E 7
Precip Amount 0.00 0.00 0.08
Precip Duration 1
Precip Begin 10 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5800 380 2720
Transport Wnd (kts) E 6 E 4 E 9
Vent Rate (kt-ft) 34800 1520 24480
Max ADI Early 44 Gen Good 41 Gen Good 20 Gen Poor
Max ADI Late 50 Gen Good 3 Very Poor 24 Fair
Max LVORI Early 1 5 4
Max LVORI Late 1 5 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 7
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. Northeast winds 5 to 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the upper 50s.
Highs in the mid 70s. Northeast winds 10 to 15 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds 10 to 15 mph, becoming northwest 5 to 10 mph after
midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows 59 to 64. Highs
in the upper 70s. Southwest winds 10 to 15 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. South winds 10 to
15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the mid 60s. Highs in the upper 70s. Southwest winds
10 to 15 mph.
$$
RIZ005-192000-
Bristol RI-
Including the cities of Barrington, Bristol, and Warren
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type None None Showers
Chance Precip (%) 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 76 (+1) 57 (+3) 72
RH % (24h trend) 45 (+2) 87 (0) 59
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) E 5 SE 5 E 7
Precip Amount 0.00 0.00 0.08
Precip Duration 1
Precip Begin 11 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5940 380 2960
Transport Wnd (kts) E 7 E 4 E 9
Vent Rate (kt-ft) 41580 1520 26640
Max ADI Early 45 Gen Good 40 Fair 21 Fair
Max ADI Late 54 Gen Good 3 Very Poor 26 Fair
Max LVORI Early 1 5 4
Max LVORI Late 1 5 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 7
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
around 60. Northeast winds 5 to 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows around 60. Highs
in the mid 70s. Northeast winds 10 to 15 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds 10 to 15 mph, becoming northwest 5 to 10 mph after
midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the lower
60s. Highs in the upper 70s. South winds 10 to 15 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. South winds 10 to
15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the upper 60s. Highs in the upper 70s. Southwest winds
10 to 15 mph.
$$
RIZ006-192000-
Washington RI-
Including the cities of Kingston, Narragansett, Richmond,
and Westerly
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type None None Showers
Chance Precip (%) 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 74 (0) 56 (+2) 72
RH % (24h trend) 45 (+2) 87 (-6) 61
20ft Wnd AM(mph) NE 5 E 5
20ft Wnd PM(mph) SE 6 SE 5 E 7
Precip Amount 0.00 0.00 0.06
Precip Duration 1
Precip Begin 10 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5450 300 2760
Transport Wnd (kts) E 8 SE 6 E 10
Vent Rate (kt-ft) 43600 1800 27600
Max ADI Early 46 Gen Good 40 Fair 24 Fair
Max ADI Late 48 Gen Good 4 Very Poor 25 Fair
Max LVORI Early 1 5 3
Max LVORI Late 1 5 3
Min Vsby Early 9 9 9
Min Vsby Late 9 9 6 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Patchy
fog. Lows in the upper 50s. East winds 10 to 15 mph.
.THURSDAY...Partly sunny. Highs in the lower 70s. Northeast winds
10 to 15 mph.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows in the upper
50s. Highs in the mid 70s. Northeast winds 15 to 20 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds 10 to 15 mph, becoming northwest after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the lower
60s. Highs in the upper 70s. Southwest winds 10 to 15 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. South winds 10 to
15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the mid 60s. Highs in the upper 70s. Southwest winds
10 to 15 mph.
$$
RIZ007-192000-
Newport RI-
Including the cities of Newport, Portsmouth, and Tiverton
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type None None Showers
Chance Precip (%) 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 75 (+2) 59 (+4) 73
RH % (24h trend) 45 (+4) 84 (-3) 60
20ft Wnd AM(mph) NE 5 E 5
20ft Wnd PM(mph) SE 7 SE 5 E 8
Precip Amount 0.00 0.00 0.07
Precip Duration 1
Precip Begin 11 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5420 360 2990
Transport Wnd (kts) E 8 E 5 E 10
Vent Rate (kt-ft) 43360 1800 29900
Max ADI Early 46 Gen Good 40 Fair 23 Fair
Max ADI Late 50 Gen Good 4 Very Poor 25 Fair
Max LVORI Early 1 4 3
Max LVORI Late 1 4 3
Min Vsby Early 9 9 9
Min Vsby Late 9 9 7
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the lower 60s. East winds 10 to 15 mph.
.THURSDAY...Partly sunny. Highs in the lower 70s. Northeast winds
15 to 20 mph.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows in the lower
60s. Highs in the mid 70s. Northeast winds 15 to 20 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast
winds 10 to 15 mph, becoming northwest after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the mid 60s.
Highs in the upper 70s. South winds 10 to 15 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. South winds 10 to
15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the upper 60s. Highs in the upper 70s. Southwest winds
10 to 15 mph.
$$
RIZ008-192000-
Block Island RI-
Including the city of New Shoreham
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type None None Showers
Chance Precip (%) 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 72 (+1) 62 (+3) 72
RH % (24h trend) 51 (-4) 78 (-12) 68
20ft Wnd AM(mph) NE 9 E 9
20ft Wnd PM(mph) E 9 E 9 E 11
Precip Amount 0.00 0.00 0.08
Precip Duration 1
Precip Begin 10 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 3080 1470 2660
Transport Wnd (kts) E 11 E 10 E 12
Vent Rate (kt-ft) 33880 14700 31920
Max ADI Early 48 Gen Good 50 Gen Good 44 Gen Good
Max ADI Late 48 Gen Good 13 Gen Poor 1 Very Poor
Max LVORI Early 2 4 5
Max LVORI Late 2 4 5
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 60s. East winds 10 to 15 mph.
.THURSDAY...Partly sunny with a chance of showers. Highs in the
lower 70s. Northeast winds 15 to 20 mph.
.THURSDAY NIGHT...Mostly cloudy. Lows in the lower 60s. Northeast
winds 15 to 20 mph.
.FRIDAY...Mostly sunny. Highs in the mid 70s. Northeast winds
15 to 20 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 60s. Northeast
winds 10 to 15 mph, becoming northwest after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the mid 60s.
Highs in the mid 70s. Southwest winds 10 to 15 mph.
.SUNDAY...Mostly sunny. Highs in the mid 70s. South winds 10 to
15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the upper 60s. Highs in the mid 70s. Southwest winds
10 to 15 mph.
$$
MAZ017-192000-
Northern Bristol MA-
Including the cities of Attleboro, Berkley, Easton, Mansfield,
Rehoboth, and Taunton
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 75 (+3) 54 (+3) 71
RH % (24h trend) 43 (+1) 93 (+4) 57
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) E 5 Lgt/Var E 5
Precip Amount 0.00 0.00 0.06
Precip Duration 1
Precip Begin 11 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5790 370 2810
Transport Wnd (kts) E 6 E 4 E 7
Vent Rate (kt-ft) 34740 1480 19670
Max ADI Early 39 Fair 36 Fair 15 Gen Poor
Max ADI Late 46 Gen Good 2 Very Poor 18 Gen Poor
Max LVORI Early 1 6 4
Max LVORI Late 1 6 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 8
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. Northeast winds around 5 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the upper 50s.
Highs in the mid 70s. Northeast winds 5 to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds 5 to 10 mph, becoming northwest after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the upper
50s. Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly sunny. Highs around 80. South winds 5 to 10 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the mid 60s. Highs around 80. Southwest winds 5 to
10 mph.
$$
MAZ018-192000-
Western Plymouth MA-
Including the cities of Bridgewater, Brockton, Carver,
Middleboro, and Pembroke
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 74 (+4) 55 (+5) 72
RH % (24h trend) 46 (-1) 90 (-3) 59
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) E 6 Lgt/Var E 5
Precip Amount 0.00 0.00 0.04
Precip Duration 1
Precip Begin 11 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5200 380 3180
Transport Wnd (kts) E 7 SE 3 E 7
Vent Rate (kt-ft) 36400 1140 22260
Max ADI Early 47 Gen Good 29 Fair 18 Gen Poor
Max ADI Late 47 Gen Good 3 Very Poor 19 Gen Poor
Max LVORI Early 2 6 4
Max LVORI Late 2 6 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. East winds around 5 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the upper 50s.
Highs in the mid 70s. Northeast winds 10 to 15 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds 5 to 10 mph, becoming northwest after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows around 60.
Highs in the lower 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. South winds 5 to
10 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the mid 60s. Highs around 80. Southwest winds 5 to
10 mph.
$$
MAZ019-192000-
Eastern Plymouth MA-
Including the cities of Cohasset, Hingham, Marshfield, Plymouth,
and Scituate
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 73 (+4) 57 (+4) 72
RH % (24h trend) 44 (-5) 86 (-10) 58
20ft Wnd AM(mph) NE 5 Lgt/Var
20ft Wnd PM(mph) E 7 Lgt/Var E 6
Precip Amount 0.00 0.00 0.04
Precip Duration 1
Precip Begin 11 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 4200 330 3010
Transport Wnd (kts) E 8 SE 3 E 8
Vent Rate (kt-ft) 33600 990 24080
Max ADI Early 41 Gen Good 27 Fair 21 Fair
Max ADI Late 41 Gen Good 4 Very Poor 22 Fair
Max LVORI Early 2 5 4
Max LVORI Late 2 5 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 8
Sunshine Hours N/A N/A N/A
CWR 0 0 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
around 60. East winds 5 to 10 mph.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the lower 60s.
Highs in the lower 70s. Northeast winds 15 to 20 mph.
.FRIDAY NIGHT...Mostly clear. Lows around 60. Northeast winds
10 to 15 mph, becoming northwest after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the lower
60s. Highs in the upper 70s. Southwest winds 10 to 15 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. South winds 10 to
15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the mid 60s. Highs in the upper 70s. Southwest winds
10 to 15 mph.
$$
MAZ020-192000-
Southern Bristol MA-
Including the cities of Acushnet, Fall River, New Bedford,
Swansea, and Westport
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type None None Showers
Chance Precip (%) 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 77 (+5) 55 (+3) 74
RH % (24h trend) 43 (-1) 90 (0) 58
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) E 6 Lgt/Var E 7
Precip Amount 0.00 0.00 0.05
Precip Duration 1
Precip Begin 11 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5820 330 3020
Transport Wnd (kts) E 7 SE 5 E 9
Vent Rate (kt-ft) 40740 1650 27180
Max ADI Early 51 Gen Good 36 Fair 20 Gen Poor
Max ADI Late 51 Gen Good 3 Very Poor 23 Fair
Max LVORI Early 1 5 4
Max LVORI Late 1 5 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 8
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. East winds 10 to 15 mph.
.THURSDAY...Partly sunny. Highs in the mid 70s. Northeast winds
15 to 20 mph.
.THURSDAY NIGHT AND FRIDAY...Breezy. Partly cloudy. Lows around
60. Highs in the mid 70s. Northeast winds 15 to 25 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds 15 to 20 mph, becoming northwest 10 to 15 mph after
midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows 59 to 64. Highs
in the upper 70s. South winds 15 to 20 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. South winds 10 to
15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the mid 60s. Highs in the upper 70s. Southwest winds
10 to 15 mph.
$$
MAZ021-192000-
Southern Plymouth MA-
Including the cities of Marion, Mattapoisett, Rochester,
and Wareham
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 76 (+5) 56 (+5) 74
RH % (24h trend) 46 (-1) 86 (-3) 59
20ft Wnd AM(mph) NE 5 Lgt/Var
20ft Wnd PM(mph) E 7 Lgt/Var E 7
Precip Amount 0.00 0.00 0.04
Precip Duration 1
Precip Begin 11 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 5210 390 3170
Transport Wnd (kts) E 8 E 4 E 8
Vent Rate (kt-ft) 41680 1560 25360
Max ADI Early 52 Gen Good 35 Fair 20 Gen Poor
Max ADI Late 51 Gen Good 3 Very Poor 22 Fair
Max LVORI Early 1 6 4
Max LVORI Late 1 6 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the upper 50s. East winds 5 to 10 mph.
.THURSDAY AND THURSDAY NIGHT...Mostly cloudy. Lows around 60.
Highs in the mid 70s. Northeast winds 15 to 20 mph.
.FRIDAY...Mostly sunny. Highs in the mid 70s. Northeast winds
15 to 20 mph.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast
winds 15 to 20 mph, becoming northwest 10 to 15 mph after
midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the lower
60s. Highs in the upper 70s. South winds 10 to 15 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. South winds 10 to
15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the mid 60s. Highs in the upper 70s. Southwest winds
10 to 15 mph.
$$
MAZ022-192000-
Barnstable MA-
Including the cities of Bourne, Chatham, Falmouth, Hyannis,
Provincetown, and Wellfleet
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type None None Showers
Chance Precip (%) 30
Chance of Thunder (%) 0 0 0
Temp (24h trend) 74 (+4) 58 (+4) 74
RH % (24h trend) 44 (-5) 84 (-16) 53
20ft Wnd AM(mph) NE 6 E 5
20ft Wnd PM(mph) E 7 Lgt/Var E 8
Precip Amount 0.00 0.00 0.03
Precip Duration 1
Precip Begin 12 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 4700 290 3300
Transport Wnd (kts) E 9 SE 6 E 9
Vent Rate (kt-ft) 42300 1740 29700
Max ADI Early 53 Gen Good 31 Fair 33 Fair
Max ADI Late 53 Gen Good 4 Very Poor 26 Fair
Max LVORI Early 1 4 3
Max LVORI Late 1 4 3
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the lower 60s. East winds 10 to 15 mph.
.THURSDAY AND THURSDAY NIGHT...Breezy. Mostly cloudy. Lows in the
lower 60s. Highs in the lower 70s. Northeast winds 20 to 25 mph.
.FRIDAY AND FRIDAY NIGHT...Breezy. Partly cloudy. Lows in the
lower 60s. Highs in the mid 70s. North winds 15 to 25 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the lower
60s. Highs in the mid 70s. Southwest winds 15 to 20 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. South winds 10 to
15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the mid 60s. Highs in the upper 70s. South winds 10 to
15 mph.
$$
MAZ023-192000-
Dukes MA-
Including the cities of Edgartown, Oak Bluffs, and Vineyard Haven
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type None None Showers
Chance Precip (%) 40
Chance of Thunder (%) 0 0 0
Temp (24h trend) 74 (+3) 58 (+5) 73
RH % (24h trend) 46 (-3) 86 (-14) 63
20ft Wnd AM(mph) NE 7 E 7
20ft Wnd PM(mph) E 9 E 7 E 9
Precip Amount 0.00 0.00 0.04
Precip Duration 1
Precip Begin 11 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 4010 720 2990
Transport Wnd (kts) E 10 E 7 E 10
Vent Rate (kt-ft) 40100 5040 29900
Max ADI Early 52 Gen Good 42 Gen Good 31 Fair
Max ADI Late 52 Gen Good 5 Very Poor 1 Very Poor
Max LVORI Early 1 4 4
Max LVORI Late 1 4 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 8
Sunshine Hours N/A N/A N/A
CWR 0 0 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the lower 60s. East winds 10 to 15 mph.
.THURSDAY AND THURSDAY NIGHT...Breezy. Mostly cloudy. Lows in the
lower 60s. Highs in the lower 70s. Northeast winds 15 to 25 mph.
.FRIDAY...Breezy. Mostly sunny. Highs in the mid 70s. Northeast
winds 15 to 25 mph.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds
15 to 20 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the lower
60s. Highs in the mid 70s. South winds 10 to 15 mph.
.SUNDAY...Mostly sunny. Highs in the mid 70s. South winds 10 to
15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the mid 60s. Highs in the mid 70s. Southwest winds 10 to
15 mph.
$$
MAZ024-192000-
Nantucket MA-
Including the city of Nantucket
409 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type None None Showers
Chance Precip (%) 30
Chance of Thunder (%) 0 0 0
Temp (24h trend) 73 (+3) 59 (+3) 73
RH % (24h trend) 48 (-5) 84 (-12) 63
20ft Wnd AM(mph) NE 9 E 7
20ft Wnd PM(mph) E 8 E 6 E 9
Precip Amount 0.00 0.00 0.03
Precip Duration 1
Precip Begin 1 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 4040 1210 2680
Transport Wnd (kts) E 12 E 7 E 11
Vent Rate (kt-ft) 48480 8470 29480
Max ADI Early 62 Good 40 Fair 37 Fair
Max ADI Late 59 Gen Good 6 Very Poor 32 Fair
Max LVORI Early 1 4 4
Max LVORI Late 1 4 4
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the lower 60s. East winds 10 to 15 mph.
.THURSDAY...Partly sunny with a chance of showers. Highs in the
lower 70s. Northeast winds 15 to 20 mph.
.THURSDAY NIGHT...Windy. Mostly cloudy. Lows in the lower 60s.
Northeast winds 20 to 30 mph.
.FRIDAY AND FRIDAY NIGHT...Windy. Partly cloudy. Lows in the
lower 60s. Highs in the lower 70s. North winds 20 to 30 mph.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the mid 60s.
Highs in the mid 70s. Southwest winds 15 to 20 mph.
.SUNDAY...Mostly sunny. Highs in the mid 70s. South winds 10 to
15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the mid 60s. 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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