Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
032
FNUS51 KBOX 212010
FWFBOX
Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
409 PM EDT Thu Aug 21 2025
.DISCUSSION...
Starting to enter a dry period heading into the weekend. Gusty
northeast winds increase to near 30 knots tonight across the Cape
and Islands, near 20 knots across the interior, and last through
Friday afternoon.
Minimum relative humidity today 70 to 80 percent along the South
Coast, Cape, and Islands, and 45 to 60 percent across the
interior. Minimum relative humidity Friday 35 to 50 percent.
.OUTLOOK...Saturday through Thursday...
Warmer this weekend with dry conditions through Sunday. Becoming
more unsettled early next week.
MAZ015-220800-
Suffolk MA-
Including the cities of Boston, Chelsea, Revere, and Winthrop
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 56 (0) 80 (+11) 60 87
RH % (24h trend) 93 (-7) 41 (-24) 87 41
20ft Wnd AM(mph) N 9 G18 Lgt/Var
20ft Wnd PM(mph) NE 10 G22 NE 8 G18 Lgt/Var S 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 430 5230 410 7450
Transport Wnd (kts) N 16 N 17 S 7 SW 12
Vent Rate (kt-ft) 6880 88910 2870 89400
Max ADI Early 48 Gen Good 56 Gen Good 10 Poor 48 Gen Good
Max ADI Late 16 Gen Poor 57 Gen Good 5 Very Poor 89 Good
Max LVORI Early 4 2 5 1
Max LVORI Late 4 2 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 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. South winds 10 to
15 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the upper 60s. South winds 10 to 15 mph.
.MONDAY...Mostly cloudy with showers likely. Highs around 80.
South winds 5 to 10 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. West winds 5 to 10 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 57 to 63. Highs in
the upper 70s. Southwest winds 10 to 15 mph.
$$
MAZ016-220800-
Eastern Norfolk MA-
Including the cities of Braintree, Milton, Quincy, and Weymouth
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 56 (+2) 78 (+9) 59 86
RH % (24h trend) 90 (-10) 43 (-28) 87 44
20ft Wnd AM(mph) N 9 G20 Lgt/Var
20ft Wnd PM(mph) NE 10 G23 NE 7 G19 Lgt/Var S 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 460 4390 360 7290
Transport Wnd (kts) NE 17 NE 18 SW 10 SW 12
Vent Rate (kt-ft) 7820 79020 3600 87480
Max ADI Early 19 Gen Poor 55 Gen Good 13 Gen Poor 47 Gen Good
Max ADI Late 19 Gen Poor 58 Gen Good 5 Very Poor 99 Good
Max LVORI Early 3 2 5 1
Max LVORI Late 3 2 5 1
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. South winds 10 to
15 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. South winds 10 to 15 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
South winds 5 to 10 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds 5 to 10 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 56 to 62. Highs in
the upper 70s. West winds 5 to 10 mph.
$$
MAZ013-220800-
Western Norfolk MA-
Including the cities of Bellingham, Dedham, Foxborough, Medfield,
Norwood, Stoughton, and Wellesley
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 53 (0) 80 (+11) 57 85
RH % (24h trend) 93 (-7) 39 (-26) 93 39
20ft Wnd AM(mph) N 7 G17 Lgt/Var
20ft Wnd PM(mph) NE 7 G20 NE 6 Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 430 6160 300 7160
Transport Wnd (kts) NE 14 N 16 S 7 SW 13
Vent Rate (kt-ft) 6020 98560 2100 93080
Max ADI Early 56 Gen Good 62 Good 24 Fair 59 Gen Good
Max ADI Late 14 Gen Poor 104 Very Good5 Very Poor 105 Very Good
Max LVORI Early 5 1 6 1
Max LVORI Late 5 1 6 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 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. 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...Mostly cloudy with showers likely. Highs in the lower
80s. South winds around 5 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows
around 60. West winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 53 to 60. Highs in
the mid 70s. West winds 5 to 10 mph.
$$
MAZ014-220800-
Southeast Middlesex MA-
Including the cities of Cambridge, Lexington, Newton, Waltham,
and Woburn
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (-1) 82 (+10) 60 87
RH % (24h trend) 90 (-10) 39 (-24) 90 40
20ft Wnd AM(mph) N 7 Lgt/Var
20ft Wnd PM(mph) NE 7 G18 NE 6 Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 430 6450 350 7510
Transport Wnd (kts) N 14 N 14 S 7 SW 12
Vent Rate (kt-ft) 6020 90300 2450 90120
Max ADI Early 53 Gen Good 63 Good 34 Fair 60 Gen Good
Max ADI Late 14 Gen Poor 90 Good 5 Very Poor 105 Very Good
Max LVORI Early 4 1 5 1
Max LVORI Late 4 1 5 1
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. South winds 5 to
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. South winds 5 to 10 mph.
.MONDAY...Mostly cloudy with showers likely. Highs in the lower
80s. South winds around 5 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. West winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 55 to 62. Highs in
the upper 70s. West winds 5 to 10 mph.
$$
MAZ007-220800-
Eastern Essex MA-
Including the cities of Beverly, Gloucester, Newburyport,
Peabody, Salem, and Saugus
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (-2) 80 (+9) 59 86
RH % (24h trend) 93 (-7) 41 (-20) 90 42
20ft Wnd AM(mph) N 9 G20 Lgt/Var
20ft Wnd PM(mph) NE 9 G22 NE 7 G18 Lgt/Var S 7 G18
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 350 4040 350 5440
Transport Wnd (kts) NE 16 N 17 S 8 S 13
Vent Rate (kt-ft) 5600 68680 2800 70720
Max ADI Early 41 Gen Good 49 Gen Good 10 Poor 30 Fair
Max ADI Late 16 Gen Poor 45 Gen Good 5 Very Poor 53 Gen Good
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 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. 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...Mostly cloudy with showers likely. Highs in the upper
70s. South winds 5 to 10 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds 5 to 10 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows in the upper 50s.
Highs in the upper 70s. Southwest winds 5 to 10 mph.
$$
MAZ006-220800-
Western Essex MA-
Including the cities of Amesbury, Andover, Haverhill, Lawrence,
Methuen, and Topsfield
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Clear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 53 (-1) 82 (+11) 57 87
RH % (24h trend) 96 (-4) 35 (-22) 90 37
20ft Wnd AM(mph) N 5 Lgt/Var
20ft Wnd PM(mph) NE 5 NE 5 Lgt/Var S 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 400 6600 340 7680
Transport Wnd (kts) NE 10 N 13 S 7 SW 14
Vent Rate (kt-ft) 4000 85800 2380 107520
Max ADI Early 43 Gen Good 105 Very Good21 Fair 51 Gen Good
Max ADI Late 6 Very Poor 105 Very Good5 Very Poor 105 Very Good
Max LVORI Early 6 1 6 1
Max LVORI Late 6 1 6 1
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Southwest
winds 5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 80s. South winds 5 to
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. South winds 5 to 10 mph.
.MONDAY...Mostly cloudy with showers likely. Highs in the lower
80s. South winds around 5 mph.
.MONDAY NIGHT...Partly cloudy with showers likely. Lows around
60. West winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 54 to 60. Highs in
the upper 70s. West winds 5 to 10 mph.
$$
MAZ005-220800-
Central Middlesex MA-
Including the cities of Burlington, Chelmsford, Framingham,
Hopkinton, Lowell, and Natick
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Clear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 52 (-2) 82 (+10) 57 86
RH % (24h trend) 96 (-4) 35 (-22) 93 39
20ft Wnd AM(mph) N 5 Lgt/Var
20ft Wnd PM(mph) NE 6 G17 N 5 Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 420 6960 340 7440
Transport Wnd (kts) N 12 N 12 SW 7 SW 13
Vent Rate (kt-ft) 5040 83520 2380 96720
Max ADI Early 50 Gen Good 104 Very Good38 Fair 62 Good
Max ADI Late 7 Poor 105 Very Good5 Very Poor 104 Very Good
Max LVORI Early 6 1 6 1
Max LVORI Late 6 1 6 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 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. 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...Mostly cloudy with showers likely. Highs in the lower
80s. South winds around 5 mph.
.MONDAY NIGHT...Partly cloudy with showers likely. Lows in the
upper 50s. West winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 53 to 59. Highs in
the upper 70s. West winds 5 to 10 mph.
$$
MAZ012-220800-
Southern Worcester MA-
Including the cities of Milford, Oxford, Sturbridge, Uxbridge,
Westborough, and Worcester
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Clear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 51 (-2) 81 (+10) 57 84
RH % (24h trend) 96 (-4) 39 (-24) 96 44
20ft Wnd AM(mph) N 6 Lgt/Var
20ft Wnd PM(mph) NE 7 G18 N 5 Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 390 6300 270 6710
Transport Wnd (kts) NE 13 N 13 S 7 SW 12
Vent Rate (kt-ft) 5070 81900 1890 80520
Max ADI Early 56 Gen Good 56 Gen Good 25 Fair 60 Gen Good
Max ADI Late 11 Poor 104 Very Good5 Very Poor 104 Very Good
Max LVORI Early 5 1 6 1
Max LVORI Late 5 1 6 1
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Mostly sunny. Highs around 80. South winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. South winds 5 to 10 mph.
.MONDAY...Mostly cloudy with showers likely. Highs around 80.
South winds 5 to 10 mph.
.MONDAY NIGHT...Partly cloudy with showers likely. Lows in the
upper 50s. West winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 52 to 58. Highs in
the mid 70s. West winds 5 to 10 mph.
$$
MAZ004-220800-
Northern Worcester MA-
Including the cities of Athol, Boylston, Brookfield, Fitchburg,
Gardner, and Harvard
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Clear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 49 (-3) 82 (+11) 54 85
RH % (24h trend) 96 (-4) 33 (-15) 100 36
20ft Wnd AM(mph) N 5 Lgt/Var
20ft Wnd PM(mph) NE 7 G18 N 5 Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 310 6460 220 6640
Transport Wnd (kts) N 11 N 12 SW 5 SW 13
Vent Rate (kt-ft) 3410 77520 1100 86320
Max ADI Early 48 Gen Good 88 Good 28 Fair 56 Gen Good
Max ADI Late 7 Poor 98 Good 4 Very Poor 101 Very Good
Max LVORI Early 5 1 7 1
Max LVORI Late 5 1 7 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 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Partly cloudy. Lows around 60. South winds 5 to
10 mph.
.SUNDAY...Partly sunny. 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...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Southwest winds around
5 mph.
.MONDAY NIGHT...Partly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 50s. West winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 50 to 56. Highs in
the mid 70s. West winds 5 to 10 mph.
$$
MAZ026-220800-
Northern Middlesex MA-
Including the cities of Ashby, Ayer, Groton, Pepperell, Shirley,
and Townsend
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Clear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 51 (-1) 83 (+11) 56 87
RH % (24h trend) 93 (-7) 39 (-18) 93 41
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 380 7090 310 7330
Transport Wnd (kts) NE 9 N 12 S 5 SW 12
Vent Rate (kt-ft) 3420 85080 1550 87960
Max ADI Early 59 Gen Good 101 Very Good40 Fair 69 Good
Max ADI Late 6 Very Poor 105 Very Good4 Very Poor 105 Very Good
Max LVORI Early 6 1 6 1
Max LVORI Late 6 1 6 1
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. Southwest
winds around 5 mph.
.SUNDAY...Partly sunny. Highs in the lower 80s. South winds 5 to
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. South winds around 5 mph.
.MONDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. South winds around 5 mph.
.MONDAY NIGHT...Partly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 50s. West winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 51 to 57. Highs in
the mid 70s. West winds 5 to 10 mph.
$$
MAZ002-220800-
Western Franklin MA-
Including the cities of Ashfield, Charlemont, Colrain,
and Shelburne
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Clear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 49 (-1) 81 (+9) 54 84
RH % (24h trend) 90 (-10) 39 (-9) 90 42
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 150 6300 110 6570
Transport Wnd (kts) NE 7 N 10 W 5 SW 11
Vent Rate (kt-ft) 1050 63000 550 72270
Max ADI Early 54 Gen Good 72 Good 24 Fair 54 Gen Good
Max ADI Late 5 Very Poor 79 Good 3 Very Poor 86 Good
Max LVORI Early 5 1 6 1
Max LVORI Late 5 1 6 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 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 50s. South
winds 5 to 10 mph.
.SUNDAY...Mostly cloudy with a chance of showers. Highs in the
mid 70s. South winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely. Lows around
60. South winds 5 to 10 mph.
.MONDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the mid 70s. Southwest winds around
5 mph.
.MONDAY NIGHT...Partly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 50s. West winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 48 to 54. Highs in
the lower 70s. West winds 5 to 10 mph.
$$
MAZ003-220800-
Eastern Franklin MA-
Including the cities of Greenfield, Leverett, Northfield, Orange,
and Whately
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Clear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 50 (-2) 83 (+9) 55 86
RH % (24h trend) 86 (-14) 34 (-10) 100 37
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) NE 5 N 5 Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 220 6440 160 7030
Transport Wnd (kts) N 9 N 11 W 4 SW 11
Vent Rate (kt-ft) 1980 70840 640 77330
Max ADI Early 49 Gen Good 72 Good 22 Fair 42 Gen Good
Max ADI Late 5 Very Poor 93 Good 3 Very Poor 92 Good
Max LVORI Early 5 1 7 1
Max LVORI Late 5 1 7 1
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Mostly cloudy with a chance of showers. Highs around
80. South winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely. Lows in the
lower 60s. South winds 5 to 10 mph.
.MONDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Southwest winds around
5 mph.
.MONDAY NIGHT...Partly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 50s. West winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 49 to 56. Highs in
the mid 70s. West winds 5 to 10 mph.
$$
MAZ008-220800-
Western Hampshire MA-
Including the cities of Chesterfield, Plainfield, Westhampton,
Williamsburg, and Worthington
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Clear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 50 (-1) 80 (+9) 54 82
RH % (24h trend) 90 (-10) 42 (-13) 90 45
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) NE 5 Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 200 6180 160 6550
Transport Wnd (kts) NE 9 N 10 W 5 SW 11
Vent Rate (kt-ft) 1800 61800 800 72050
Max ADI Early 52 Gen Good 75 Good 22 Fair 55 Gen Good
Max ADI Late 6 Very Poor 80 Good 3 Very Poor 90 Good
Max LVORI Early 5 1 6 1
Max LVORI Late 5 1 6 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 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 50s. South
winds 5 to 10 mph.
.SUNDAY...Mostly cloudy with a chance of showers. Highs in the
mid 70s. South winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely. Lows in the
lower 60s. South winds 5 to 10 mph.
.MONDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the mid 70s. Southwest winds around
5 mph.
.MONDAY NIGHT...Partly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 50s. West winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 48 to 54. Highs in
the lower 70s. West winds 5 to 10 mph.
$$
MAZ010-220800-
Eastern Hampshire MA-
Including the cities of Amherst, Belchertown, Northampton,
Southampton, and Ware
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Clear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 52 (-1) 83 (+9) 55 86
RH % (24h trend) 86 (-14) 38 (-13) 97 41
20ft Wnd AM(mph) N 5 Lgt/Var
20ft Wnd PM(mph) NE 6 N 5 Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 360 6410 220 7110
Transport Wnd (kts) NE 9 N 11 SW 4 SW 11
Vent Rate (kt-ft) 3240 70510 880 78210
Max ADI Early 42 Gen Good 67 Good 20 Gen Poor 42 Gen Good
Max ADI Late 8 Poor 91 Good 3 Very Poor 80 Good
Max LVORI Early 4 1 7 1
Max LVORI Late 4 1 7 1
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Partly sunny. Highs around 80. South winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely. Lows in the
lower 60s. South winds 5 to 10 mph.
.MONDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Southwest winds around
5 mph.
.MONDAY NIGHT...Partly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 50s. West winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 50 to 57. Highs in
the mid 70s. West winds 5 to 10 mph.
$$
MAZ009-220800-
Western Hampden MA-
Including the cities of Blandford, Chester, Granville,
Montgomery, Russell, and Tolland
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Clear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 51 (0) 81 (+10) 55 83
RH % (24h trend) 93 (-7) 43 (-14) 93 45
20ft Wnd AM(mph) N 5 Lgt/Var
20ft Wnd PM(mph) NE 5 Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 140 6070 70 6410
Transport Wnd (kts) NE 10 N 10 W 5 SW 12
Vent Rate (kt-ft) 1400 60700 350 76920
Max ADI Early 40 Fair 73 Good 23 Fair 53 Gen Good
Max ADI Late 8 Poor 79 Good 3 Very Poor 101 Very Good
Max LVORI Early 5 1 6 1
Max LVORI Late 5 1 6 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 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Partly cloudy. Lows around 60. South winds 5 to
10 mph.
.SUNDAY...Mostly cloudy with a chance of showers. Highs in the
upper 70s. South winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with showers likely. Lows in the
lower 60s. South winds 5 to 10 mph.
.MONDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the mid 70s. Southwest winds around
5 mph.
.MONDAY NIGHT...Partly cloudy with showers likely and a chance of
thunderstorms. Lows in the mid 50s. West winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 49 to 55. Highs in
the lower 70s. West winds 5 to 10 mph.
$$
MAZ011-220800-
Eastern Hampden MA-
Including the cities of Chicopee, Holland, Palmer, Southwick,
Springfield, and Westfield
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Clear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 51 (-2) 83 (+10) 55 85
RH % (24h trend) 93 (-7) 37 (-12) 100 39
20ft Wnd AM(mph) N 6 Lgt/Var
20ft Wnd PM(mph) NE 7 G18 N 6 Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 350 6130 220 6940
Transport Wnd (kts) NE 10 N 12 W 5 SW 11
Vent Rate (kt-ft) 3500 73560 1100 76340
Max ADI Early 47 Gen Good 62 Good 23 Fair 43 Gen Good
Max ADI Late 8 Poor 89 Good 3 Very Poor 94 Good
Max LVORI Early 4 1 7 1
Max LVORI Late 4 1 7 1
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Partly sunny. Highs around 80. South winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. South winds 5 to 10 mph.
.MONDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the upper 70s. Southwest winds around
5 mph.
.MONDAY NIGHT...Partly cloudy with showers likely and a chance of
thunderstorms. Lows in the upper 50s. West winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 50 to 57. Highs in
the mid 70s. West winds 5 to 10 mph.
$$
CTZ002-220800-
Hartford CT-
Including the cities of Hartford, Glastonbury, Granby,
Southington, and Windsor Locks
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Clear Clear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 52 (-2) 82 (+10) 57 85
RH % (24h trend) 90 (-10) 39 (-18) 100 40
20ft Wnd AM(mph) N 6 Lgt/Var
20ft Wnd PM(mph) NE 8 G19 N 5 Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 410 5970 250 6980
Transport Wnd (kts) NE 12 N 11 W 5 SW 11
Vent Rate (kt-ft) 4920 65670 1250 76780
Max ADI Early 46 Gen Good 53 Gen Good 20 Gen Poor 43 Gen Good
Max ADI Late 9 Poor 86 Good 3 Very Poor 95 Good
Max LVORI Early 4 1 7 1
Max LVORI Late 4 1 7 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 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Partly 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...Mostly cloudy with showers likely. Highs in the upper
70s. Southwest winds around 5 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. West winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 52 to 57. Highs in
the mid 70s. West winds 5 to 10 mph.
$$
CTZ003-220800-
Tolland CT-
Including the cities of Mansfield, Stafford Springs, and Vernon
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Clear Clear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 51 (-2) 80 (+9) 56 84
RH % (24h trend) 96 (-4) 44 (-22) 96 43
20ft Wnd AM(mph) N 7 Lgt/Var
20ft Wnd PM(mph) NE 9 G20 N 6 Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 310 6110 140 6560
Transport Wnd (kts) NE 13 N 12 SW 6 SW 11
Vent Rate (kt-ft) 4030 73320 840 72160
Max ADI Early 52 Gen Good 49 Gen Good 22 Fair 48 Gen Good
Max ADI Late 9 Poor 90 Good 4 Very Poor 89 Good
Max LVORI Early 5 1 7 1
Max LVORI Late 5 1 7 1
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Partly sunny. Highs in the upper 70s. South winds 5 to
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. South winds 5 to 10 mph.
.MONDAY...Mostly cloudy with showers likely. Highs in the upper
70s. South winds around 5 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. West winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 51 to 57. Highs in
the mid 70s. West winds 5 to 10 mph.
$$
CTZ004-220800-
Windham CT-
Including the cities of Ashford, Plainfield, Putnam,
and Willimantic
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Clear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 52 (-1) 81 (+10) 56 85
RH % (24h trend) 96 (-4) 39 (-24) 100 44
20ft Wnd AM(mph) N 7 G17 Lgt/Var
20ft Wnd PM(mph) NE 9 G21 N 6 Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 450 6380 240 6570
Transport Wnd (kts) NE 14 N 11 SW 6 SW 12
Vent Rate (kt-ft) 6300 70180 1440 78840
Max ADI Early 36 Fair 56 Gen Good 25 Fair 58 Gen Good
Max ADI Late 13 Gen Poor 97 Good 4 Very Poor 94 Good
Max LVORI Early 5 1 7 1
Max LVORI Late 5 1 7 1
Min Vsby Early 9 9 9 7
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. 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 lower 60s. South winds 5 to 10 mph.
.MONDAY...Mostly cloudy with showers likely. Highs in the upper
70s. South winds around 5 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. West winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 52 to 57. Highs in
the mid 70s. West winds 5 to 10 mph.
$$
RIZ001-220800-
Northwest Providence RI-
Including the cities of Cumberland, Foster, Glocester,
and Smithfield
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Clear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 53 (+1) 80 (+11) 57 84
RH % (24h trend) 96 (-4) 43 (-32) 94 47
20ft Wnd AM(mph) N 8 G17 Lgt/Var
20ft Wnd PM(mph) NE 9 G21 N 6 Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 390 5990 210 6350
Transport Wnd (kts) NE 15 N 12 S 7 SW 13
Vent Rate (kt-ft) 5850 71880 1470 82550
Max ADI Early 17 Gen Poor 58 Gen Good 26 Fair 62 Good
Max ADI Late 15 Gen Poor 97 Good 5 Very Poor 98 Good
Max LVORI Early 5 1 6 1
Max LVORI Late 5 1 6 1
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. South winds 5 to
10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. South winds 5 to 10 mph.
.MONDAY...Mostly cloudy with a chance of showers. Highs in the
upper 70s. South winds around 5 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. West winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 53 to 59. Highs in
the mid 70s. West winds 5 to 10 mph.
$$
RIZ002-220800-
Southeast Providence RI-
Including the cities of Cranston, Johnston, Pawtucket,
and Providence
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 55 (0) 80 (+11) 60 85
RH % (24h trend) 90 (-10) 43 (-33) 90 49
20ft Wnd AM(mph) N 9 G17 Lgt/Var
20ft Wnd PM(mph) NE 10 G20 NE 7 Lgt/Var SW 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 490 5920 270 6470
Transport Wnd (kts) N 15 N 16 S 7 SW 14
Vent Rate (kt-ft) 7350 94720 1890 90580
Max ADI Early 44 Gen Good 66 Good 30 Fair 59 Gen Good
Max ADI Late 16 Gen Poor 72 Good 5 Very Poor 97 Good
Max LVORI Early 4 1 6 1
Max LVORI Late 4 1 6 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 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. South winds 10 to
15 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. South winds 5 to 10 mph.
.MONDAY...Mostly cloudy with a chance of showers. Highs around
80. South winds 5 to 10 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. West winds 5 to 10 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 55 to 61. Highs in
the mid 70s. West winds 5 to 10 mph.
$$
RIZ003-220800-
Western Kent RI-
Including the cities of Coventry and West Greenwich
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (+1) 79 (+11) 58 82
RH % (24h trend) 93 (-7) 43 (-32) 93 49
20ft Wnd AM(mph) N 9 G18 Lgt/Var
20ft Wnd PM(mph) NE 11 G22 N 7 Lgt/Var SW 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 510 6120 230 6150
Transport Wnd (kts) N 16 N 12 S 7 SW 13
Vent Rate (kt-ft) 8160 73440 1610 79950
Max ADI Early 23 Fair 59 Gen Good 36 Fair 61 Good
Max ADI Late 17 Gen Poor 93 Good 5 Very Poor 92 Good
Max LVORI Early 4 1 6 1
Max LVORI Late 4 1 6 1
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. South winds 5 to
10 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy with a chance of
showers. Lows in the mid 60s. Highs in the upper 70s. South winds
5 to 10 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 50s. West winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 53 to 59. Highs in
the mid 70s. West winds 5 to 10 mph.
$$
RIZ004-220800-
Eastern Kent RI-
Including the cities of East Greenwich, Warwick, and West Warwick
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 56 (+1) 80 (+11) 60 83
RH % (24h trend) 87 (-13) 39 (-29) 90 47
20ft Wnd AM(mph) N 10 G19 Lgt/Var
20ft Wnd PM(mph) NE 12 G22 NE 9 G18 Lgt/Var SW 8
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 650 5880 270 5700
Transport Wnd (kts) NE 18 N 12 S 7 SW 14
Vent Rate (kt-ft) 11700 70560 1890 79800
Max ADI Early 20 Gen Poor 36 Fair 24 Fair 55 Gen Good
Max ADI Late 19 Gen Poor 71 Good 5 Very Poor 69 Good
Max LVORI Early 4 1 6 1
Max LVORI Late 4 1 6 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 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. South winds
5 to 10 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 5 to
10 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. West winds 5 to 10 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 55 to 61. Highs in
the mid 70s. West winds 5 to 10 mph.
$$
RIZ005-220800-
Bristol RI-
Including the cities of Barrington, Bristol, and Warren
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Clear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 58 (+1) 79 (+9) 61 83
RH % (24h trend) 87 (-13) 42 (-26) 87 51
20ft Wnd AM(mph) N 11 G21 Lgt/Var
20ft Wnd PM(mph) NE 13 G23 NE 10 G20 Lgt/Var S 9 G17
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 550 5480 290 4600
Transport Wnd (kts) N 17 N 18 S 6 SW 14
Vent Rate (kt-ft) 9350 98640 1740 64400
Max ADI Early 21 Fair 1 Very Poor 19 Gen Poor 47 Gen Good
Max ADI Late 20 Gen Poor 58 Gen Good 5 Very Poor 57 Gen Good
Max LVORI Early 3 2 5 2
Max LVORI Late 3 2 5 2
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. South winds 10 to
15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the upper 60s. Highs in the upper 70s. South winds 10 to
15 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds 5 to 10 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 56 to 63. Highs in
the mid 70s. Southwest winds 10 to 15 mph.
$$
RIZ006-220800-
Washington RI-
Including the cities of Kingston, Narragansett, Richmond,
and Westerly
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Clear Mclear Clear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 55 (-2) 80 (+11) 59 82
RH % (24h trend) 90 (-10) 42 (-24) 95 48
20ft Wnd AM(mph) N 11 G23 Lgt/Var
20ft Wnd PM(mph) NE 12 G27 NE 8 G19 Lgt/Var SW 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 640 6130 270 4790
Transport Wnd (kts) N 19 N 14 SW 9 SW 12
Vent Rate (kt-ft) 12160 85820 2430 57480
Max ADI Early 24 Fair 64 Good 25 Fair 44 Gen Good
Max ADI Late 21 Fair 68 Good 5 Very Poor 52 Gen Good
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 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. South winds
5 to 10 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 5 to
10 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows
around 60. West winds 5 to 10 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 54 to 60. Highs in
the mid 70s. Southwest winds 10 to 15 mph.
$$
RIZ007-220800-
Newport RI-
Including the cities of Newport, Portsmouth, and Tiverton
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Clear Mclear Clear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 58 (0) 79 (+9) 62 81
RH % (24h trend) 90 (-10) 41 (-27) 87 52
20ft Wnd AM(mph) N 13 G23 SW 5
20ft Wnd PM(mph) NE 15 G26 NE 10 G22 S 5 SW 9
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 640 4960 290 3060
Transport Wnd (kts) NE 22 N 18 SW 10 SW 13
Vent Rate (kt-ft) 14080 89280 2900 39780
Max ADI Early 29 Fair 1 Very Poor 15 Gen Poor 26 Fair
Max ADI Late 23 Fair 54 Gen Good 5 Very Poor 35 Fair
Max LVORI Early 3 2 5 3
Max LVORI Late 3 2 5 3
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the upper 60s. South
winds 5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. South winds 10 to
15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the upper 60s. Highs in the upper 70s. South winds 10 to
15 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. West winds 5 to 10 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 58 to 63. Highs in
the mid 70s. Southwest winds 10 to 15 mph.
$$
RIZ008-220800-
Block Island RI-
Including the city of New Shoreham
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Clear Mclear Clear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 60 (-1) 76 (+6) 65 76
RH % (24h trend) 87 (-10) 50 (-23) 84 64
20ft Wnd AM(mph) N 15 G26 SW 6
20ft Wnd PM(mph) NE 21 G29 NE 10 G20 S 6 SW 8
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 2040 2650 460 1110
Transport Wnd (kts) N 30 N 20 S 8 SW 15
Vent Rate (kt-ft) 61200 53000 3680 16650
Max ADI Early 52 Gen Good 63 Good 12 Poor 21 Fair
Max ADI Late 51 Gen Good 51 Gen Good 12 Poor 22 Fair
Max LVORI Early 3 3 4 3
Max LVORI Late 3 3 4 3
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 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the upper 60s. South
winds 5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the mid 70s. South winds 5 to
10 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the upper 60s. Highs in the mid 70s. South winds 5 to
10 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the mid 60s. West winds 5 to 10 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows in the lower 60s.
Highs in the mid 70s. Southwest winds 10 to 15 mph.
$$
MAZ017-220800-
Northern Bristol MA-
Including the cities of Attleboro, Berkley, Easton, Mansfield,
Rehoboth, and Taunton
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 55 (+1) 79 (+10) 58 84
RH % (24h trend) 93 (-7) 39 (-29) 90 44
20ft Wnd AM(mph) N 8 G19 Lgt/Var
20ft Wnd PM(mph) NE 9 G21 NE 7 G19 Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 530 5330 280 6440
Transport Wnd (kts) NE 15 N 18 S 6 SW 13
Vent Rate (kt-ft) 7950 95940 1680 83720
Max ADI Early 19 Gen Poor 68 Good 20 Gen Poor 59 Gen Good
Max ADI Late 16 Gen Poor 72 Good 5 Very Poor 100 Good
Max LVORI Early 4 1 6 1
Max LVORI Late 4 1 6 1
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. South
winds 5 to 10 mph.
.SUNDAY...Mostly sunny. Highs around 80. South winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. South winds 5 to 10 mph.
.MONDAY...Mostly cloudy with a chance of showers. Highs in the
lower 80s. South winds around 5 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows
around 60. Southwest winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 53 to 60. Highs in
the upper 70s. West winds 5 to 10 mph.
$$
MAZ018-220800-
Western Plymouth MA-
Including the cities of Bridgewater, Brockton, Carver,
Middleboro, and Pembroke
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 57 (+2) 77 (+7) 58 85
RH % (24h trend) 87 (-13) 42 (-31) 90 44
20ft Wnd AM(mph) N 10 G23 Lgt/Var
20ft Wnd PM(mph) NE 10 G23 NE 8 G22 Lgt/Var SW 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 460 4780 320 6530
Transport Wnd (kts) NE 18 N 21 SE 5 SW 13
Vent Rate (kt-ft) 8280 100380 1600 84890
Max ADI Early 20 Gen Poor 42 Gen Good 17 Gen Poor 55 Gen Good
Max ADI Late 19 Gen Poor 69 Good 5 Very Poor 99 Good
Max LVORI Early 4 2 6 1
Max LVORI Late 4 2 6 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 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. 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...Mostly cloudy with a chance of showers. Highs in the
lower 80s. South winds 5 to 10 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows
around 60. Southwest winds around 5 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 54 to 60. Highs in
the upper 70s. West winds 5 to 10 mph.
$$
MAZ019-220800-
Eastern Plymouth MA-
Including the cities of Cohasset, Hingham, Marshfield, Plymouth,
and Scituate
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 59 (+2) 76 (+7) 59 84
RH % (24h trend) 90 (-10) 43 (-25) 87 44
20ft Wnd AM(mph) N 13 G28 Lgt/Var
20ft Wnd PM(mph) NE 13 G26 NE 10 G24 Lgt/Var S 8 G17
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 550 3130 320 5050
Transport Wnd (kts) NE 22 N 19 S 6 SW 13
Vent Rate (kt-ft) 12100 59470 1920 65650
Max ADI Early 24 Fair 1 Very Poor 12 Poor 34 Fair
Max ADI Late 25 Fair 27 Fair 5 Very Poor 47 Gen Good
Max LVORI Early 3 3 5 2
Max LVORI Late 3 3 5 2
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. South winds 10 to
15 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. South winds 10 to 15 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
upper 70s. South winds 5 to 10 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds 5 to 10 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 57 to 62. Highs in
the mid 70s. Southwest winds 10 to 15 mph.
$$
MAZ020-220800-
Southern Bristol MA-
Including the cities of Acushnet, Fall River, New Bedford,
Swansea, and Westport
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Clear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 57 (-1) 80 (+10) 60 84
RH % (24h trend) 90 (-10) 40 (-28) 90 49
20ft Wnd AM(mph) N 12 G25 Lgt/Var
20ft Wnd PM(mph) NE 13 G26 NE 10 G23 Lgt/Var SW 8
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 530 5350 270 4790
Transport Wnd (kts) NE 20 N 21 SE 5 SW 13
Vent Rate (kt-ft) 10600 112350 1350 62270
Max ADI Early 21 Fair 1 Very Poor 20 Gen Poor 45 Gen Good
Max ADI Late 21 Fair 67 Good 5 Very Poor 52 Gen Good
Max LVORI Early 3 2 5 2
Max LVORI Late 3 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 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. 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. South winds 10 to
15 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds 5 to 10 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 56 to 61. Highs in
the upper 70s. Southwest winds 10 to 15 mph.
$$
MAZ021-220800-
Southern Plymouth MA-
Including the cities of Marion, Mattapoisett, Rochester,
and Wareham
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 59 (0) 78 (+7) 60 83
RH % (24h trend) 87 (-13) 43 (-25) 87 49
20ft Wnd AM(mph) N 13 G28 Lgt/Var
20ft Wnd PM(mph) NE 13 G27 NE 11 G26 Lgt/Var SW 8 G18
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 650 4580 350 4660
Transport Wnd (kts) NE 22 N 23 SE 5 SW 13
Vent Rate (kt-ft) 14300 105340 1750 60580
Max ADI Early 24 Fair 1 Very Poor 21 Fair 45 Gen Good
Max ADI Late 23 Fair 51 Gen Good 5 Very Poor 57 Gen Good
Max LVORI Early 3 2 5 1
Max LVORI Late 3 2 5 1
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the upper 70s. South winds 10 to
15 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. South winds 10 to 15 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
South winds 10 to 15 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds 5 to 10 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows 56 to 61. Highs in
the upper 70s. Southwest winds 10 to 15 mph.
$$
MAZ022-220800-
Barnstable MA-
Including the cities of Bourne, Chatham, Falmouth, Hyannis,
Provincetown, and Wellfleet
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Clear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 60 (+1) 75 (+5) 61 81
RH % (24h trend) 93 (-7) 46 (-20) 90 52
20ft Wnd AM(mph) N 16 G32 SW 5
20ft Wnd PM(mph) NE 16 G30 N 13 G28 NW 5 S 8 G17
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 910 3340 270 3350
Transport Wnd (kts) NE 29 N 26 SW 9 SW 13
Vent Rate (kt-ft) 26390 86840 2430 43550
Max ADI Early 41 Gen Good 1 Very Poor 19 Gen Poor 31 Fair
Max ADI Late 41 Gen Good 29 Fair 5 Very Poor 34 Fair
Max LVORI Early 3 3 5 2
Max LVORI Late 3 3 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 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. 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. South winds 10 to
15 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds 5 to 10 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows in the lower 60s.
Highs in the upper 70s. Southwest winds 10 to 15 mph.
$$
MAZ023-220800-
Dukes MA-
Including the cities of Edgartown, Oak Bluffs, and Vineyard Haven
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mclear Mclear Clear
Precip Type None None None None
Chance Precip (%) 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 59 (-1) 76 (+6) 61 78
RH % (24h trend) 90 (-10) 46 (-27) 87 58
20ft Wnd AM(mph) N 18 G30 SW 6
20ft Wnd PM(mph) NE 19 G30 N 14 G26 N 5 SW 9
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 2170 3190 290 1960
Transport Wnd (kts) NE 32 NE 27 S 6 SW 13
Vent Rate (kt-ft) 69440 86130 1740 25480
Max ADI Early 49 Gen Good 79 Good 29 Fair 20 Gen Poor
Max ADI Late 50 Gen Good 72 Good 5 Very Poor 29 Fair
Max LVORI Early 3 1 5 3
Max LVORI Late 3 1 5 3
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. South winds
10 to 15 mph.
.SUNDAY...Mostly sunny. Highs in the mid 70s. South winds 10 to
15 mph.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A chance of showers.
Lows in the mid 60s. Highs in the mid 70s. South winds 10 to
15 mph.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds 5 to 10 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows in the lower 60s.
Highs in the mid 70s. Southwest winds 10 to 15 mph.
$$
MAZ024-220800-
Nantucket MA-
Including the city of Nantucket
409 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mclear Mclear Clear
Precip Type None None None None
Chance Precip (%) 30
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 61 (0) 74 (+4) 62 76
RH % (24h trend) 93 (-7) 53 (-20) 82 60
20ft Wnd AM(mph) N 22 G35 SW 6
20ft Wnd PM(mph) NE 21 G32 N 17 G30 N 7 G20 S 8
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 2170 3180 500 1400
Transport Wnd (kts) NE 34 NE 38 W 8 SW 11
Vent Rate (kt-ft) 73780 120840 4000 15400
Max ADI Early 58 Gen Good 105 Very Good36 Fair 18 Gen Poor
Max ADI Late 60 Gen Good 82 Good 6 Very Poor 24 Fair
Max LVORI Early 4 2 4 3
Max LVORI Late 4 2 4 3
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 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY NIGHT...Mostly clear. Lows in the mid 60s. South winds
5 to 10 mph.
.SUNDAY...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.
.MONDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the mid 60s. Southwest winds 5 to 10 mph.
.TUESDAY THROUGH THURSDAY...Mostly clear. Lows in the lower 60s.
Highs in the mid 70s. Southwest winds 10 to 15 mph.
$$
.OUTLOOK 8 TO 14 DAYS...
Temperatures below normal. Precipitation above normal.
$$
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