Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
125
FNUS51 KBOX 210809
FWFBOX
Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
408 AM EDT Tue Jul 21 2026
.DISCUSSION...
Showers and scattered develop mainly later Tuesday and especially
Tuesday night. These storms may bring an isolated severe weather
risk in the form of localized damaging wind gusts. In addition...
localized flash flooding is possible too especially if any
thunderstorms track over a vulnerable urban center.
.OUTLOOK...Wednesday through Sunday...
A few additional strong to severe thunderstorms are possible
again Wednesday afternoon and evening and it will also be quite
humid day too. Mainly dry and pleasant weather follows Thursday
into the upcoming weekend with seasonable temperatures and
comfortable humidity levels.
MAZ015-212000-
Suffolk MA-
Including the city of Boston
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Showers Tstms Tstms
Chance Precip (%) 30 90 60
Chance of Thunder (%) 0 20 20
Temp (24h trend) 83 (+2) 68 (+6) 85
RH % (24h trend) 49 (+13) 100 (+3) 63
20ft Wnd AM(mph) S 6 SW 8 G17
20ft Wnd PM(mph) S 10 G20 S 9 G20 SW 10 G19
Precip Amount 0.04 0.54 0.24
Precip Duration 0 7 4
Precip Begin 3 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 4680 430 3930
Transport Wnd (kts) S 16 S 15 SW 17
Vent Rate (kt-ft) 74880 6450 66810
Max ADI Early 62 Good 15 Gen Poor 34 Fair
Max ADI Late 53 Gen Good 15 Gen Poor 47 Gen Good
Max LVORI Early 3 6 4
Max LVORI Late 3 6 4
Min Vsby Early 9 1 Fog 3 Fog
Min Vsby Late 9 3 Fog 8
Sunshine Hours N/A N/A N/A
CWR 30 90 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers. Lows
in the mid 60s. West winds 10 to 15 mph.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Lows in the lower
60s. Highs around 80. West winds 5 to 10 mph.
.FRIDAY...Sunny. Highs in the upper 70s. North winds around
5 mph, becoming east in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. Southeast
winds 5 to 10 mph, becoming southwest after midnight.
.SATURDAY...Sunny. Highs in the upper 70s. East winds 5 to
10 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the
mid 60s. Highs in the upper 70s. Southwest winds 5 to 10 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. South winds 5 to 10 mph.
$$
MAZ016-212000-
Eastern Norfolk MA-
Including the city of Quincy
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Showers Tstms Tstms
Chance Precip (%) 30 90 60
Chance of Thunder (%) 0 40 20
Temp (24h trend) 83 (+1) 67 (+6) 85
RH % (24h trend) 49 (+11) 100 (0) 65
20ft Wnd AM(mph) S 6 SW 9 G18
20ft Wnd PM(mph) S 10 G20 S 10 G21 SW 10 G20
Precip Amount 0.04 0.66 0.18
Precip Duration 0 7 4
Precip Begin 3 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 4670 440 3920
Transport Wnd (kts) S 17 S 14 SW 15
Vent Rate (kt-ft) 79390 6160 58800
Max ADI Early 62 Good 15 Gen Poor 3 Very Poor
Max ADI Late 60 Gen Good 14 Gen Poor 46 Gen Good
Max LVORI Early 4 8 5
Max LVORI Late 4 8 5
Min Vsby Early 9 1 Fog 3 Fog
Min Vsby Late 9 3 Fog 7
Sunshine Hours N/A N/A N/A
CWR 30 90 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers. Lows
in the lower 60s. West winds 5 to 10 mph.
.THURSDAY...Sunny. Highs around 80. Northwest winds around 5 mph.
.THURSDAY NIGHT...Mostly clear. Lows around 60. Southeast winds
around 5 mph, becoming west after midnight.
.FRIDAY...Sunny. Highs around 80. North winds around 5 mph,
becoming east around 5 mph in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. Southeast
winds around 5 mph, becoming west after midnight.
.SATURDAY...Sunny. Highs in the upper 70s. East winds around
5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the
mid 60s. Highs around 80. Southwest winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the mid
80s. South winds 5 to 10 mph.
$$
MAZ013-212000-
Western Norfolk MA-
Including the cities of Foxborough and Norwood
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Showers Tstms Tstms
Chance Precip (%) 40 90 60
Chance of Thunder (%) 0 40 20
Temp (24h trend) 81 (-1) 65 (+8) 83
RH % (24h trend) 53 (+17) 100 (0) 67
20ft Wnd AM(mph) S 5 SW 7 G18
20ft Wnd PM(mph) S 9 G20 S 7 G20 SW 8 G19
Precip Amount 0.11 0.67 0.31
Precip Duration 1 7 3
Precip Begin 2 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 4500 430 4740
Transport Wnd (kts) S 19 S 12 SW 16
Vent Rate (kt-ft) 85500 5160 75840
Max ADI Early 92 Good 27 Fair 43 Gen Good
Max ADI Late 103 Very Good15 Gen Poor 82 Good
Max LVORI Early 5 7 4
Max LVORI Late 5 7 4
Min Vsby Early 9 1 Fog 3 Fog
Min Vsby Late 7 3 Fog 7
Sunshine Hours N/A N/A N/A
CWR 40 90 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers. Lows
around 60. West winds 5 to 10 mph.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Lows in the upper
50s. Highs in the upper 70s. Northwest winds around 5 mph.
.FRIDAY...Sunny. Highs in the lower 80s. North winds around
5 mph, becoming east in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Southeast
winds around 5 mph, becoming west after midnight.
.SATURDAY...Sunny. Highs around 80. East winds around 5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the
lower 60s. Highs in the lower 80s. Southwest winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the mid
80s. South winds around 5 mph.
$$
MAZ014-212000-
Southeast Middlesex MA-
Including the city of Cambridge
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Showers Tstms Tstms
Chance Precip (%) 30 90 50
Chance of Thunder (%) 0 20 20
Temp (24h trend) 83 (0) 67 (+7) 86
RH % (24h trend) 49 (+15) 100 (+7) 63
20ft Wnd AM(mph) S 6 SW 7
20ft Wnd PM(mph) S 9 G19 S 8 G20 SW 9 G18
Precip Amount 0.06 0.55 0.33
Precip Duration 1 7 2
Precip Begin 2 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 5040 430 4060
Transport Wnd (kts) S 17 S 12 SW 19
Vent Rate (kt-ft) 85680 5160 77140
Max ADI Early 76 Good 18 Gen Poor 48 Gen Good
Max ADI Late 63 Good 14 Gen Poor 58 Gen Good
Max LVORI Early 3 7 4
Max LVORI Late 3 7 4
Min Vsby Early 9 1 Fog 3 Fog
Min Vsby Late 8 3 Fog 8
Sunshine Hours N/A N/A N/A
CWR 40 90 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers. Lows
in the lower 60s. West winds 5 to 10 mph.
.THURSDAY...Sunny. Highs in the lower 80s. Northwest winds around
5 mph.
.THURSDAY NIGHT...Clear. Lows around 60. North winds around
5 mph, becoming west after midnight.
.FRIDAY...Sunny. Highs in the lower 80s. North winds around
5 mph, becoming east around 5 mph in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. Southeast
winds around 5 mph, becoming southwest after midnight.
.SATURDAY...Sunny. Highs around 80. East winds around 5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the
mid 60s. Highs in the lower 80s. Southwest winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the mid
80s. South winds around 5 mph.
$$
MAZ007-212000-
Eastern Essex MA-
Including the city of Gloucester
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 20 90 50
Chance of Thunder (%) 0 40 20
Temp (24h trend) 81 (+3) 66 (+6) 86
RH % (24h trend) 51 (+14) 100 (+7) 63
20ft Wnd AM(mph) S 6 S 8 G17
20ft Wnd PM(mph) SE 11 G23 S 9 G23 SW 9 G19
Precip Amount 0.00 0.46 0.29
Precip Duration 6 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt (ft-AGL) 3400 430 3150
Transport Wnd (kts) S 17 S 14 SW 16
Vent Rate (kt-ft) 57800 6020 50400
Max ADI Early 27 Fair 17 Gen Poor 34 Fair
Max ADI Late 31 Fair 15 Gen Poor 36 Fair
Max LVORI Early 4 6 4
Max LVORI Late 4 6 4
Min Vsby Early 9 1 Fog 3 Fog
Min Vsby Late 9 3 Fog 8
Sunshine Hours N/A N/A N/A
CWR 0 90 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers. Lows
in the lower 60s. West winds 5 to 10 mph.
.THURSDAY...Sunny. Highs in the upper 70s. Northwest winds around
5 mph, becoming southwest in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows around 60. South winds
around 5 mph, becoming west after midnight.
.FRIDAY...Sunny. Highs in the upper 70s. North winds around
5 mph, becoming southeast around 5 mph in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. Southeast
winds around 5 mph, becoming southwest after midnight.
.SATURDAY...Sunny. Highs in the upper 70s. Southeast winds around
5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the
mid 60s. Highs in the upper 70s. Southwest winds 5 to 10 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. South winds 5 to 10 mph.
$$
MAZ006-212000-
Western Essex MA-
Including the city of Lawrence
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Showers Tstms Tstms
Chance Precip (%) 20 90 50
Chance of Thunder (%) 0 40 20
Temp (24h trend) 82 (0) 65 (+7) 85
RH % (24h trend) 51 (+17) 100 (+10) 63
20ft Wnd AM(mph) S 5 SW 6
20ft Wnd PM(mph) S 8 G19 S 6 G19 SW 7 G17
Precip Amount 0.03 0.63 0.24
Precip Duration 0 7 2
Precip Begin 3 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 5340 430 4220
Transport Wnd (kts) S 17 S 11 SW 18
Vent Rate (kt-ft) 90780 4730 75960
Max ADI Early 85 Good 36 Fair 52 Gen Good
Max ADI Late 105 Very Good13 Gen Poor 94 Good
Max LVORI Early 2 8 3
Max LVORI Late 2 8 3
Min Vsby Early 9 1 Fog 3 Fog
Min Vsby Late 9 3 Fog 7
Sunshine Hours N/A N/A N/A
CWR 30 90 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers. Lows
around 60. West winds 5 to 10 mph.
.THURSDAY...Sunny. Highs around 80. Northwest winds around 5 mph.
.THURSDAY NIGHT...Clear. Lows in the upper 50s. West winds around
5 mph in the evening, becoming light and variable.
.FRIDAY...Sunny. Highs in the lower 80s. North winds around
5 mph, becoming southeast in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Southeast
winds around 5 mph, becoming southwest after midnight.
.SATURDAY...Sunny. Highs around 80. Southeast winds around 5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the
lower 60s. Highs in the lower 80s. Southwest winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the mid
80s. South winds around 5 mph.
$$
MAZ005-212000-
Central Middlesex MA-
Including the cities of Framingham and Lowell
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Showers Tstms Tstms
Chance Precip (%) 40 90 50
Chance of Thunder (%) 0 40 20
Temp (24h trend) 82 (0) 65 (+8) 84
RH % (24h trend) 51 (+17) 100 (0) 63
20ft Wnd AM(mph) S 5 SW 5
20ft Wnd PM(mph) S 8 G20 S 6 G19 SW 7 G18
Precip Amount 0.08 0.67 0.35
Precip Duration 1 7 2
Precip Begin 2 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 4940 450 4320
Transport Wnd (kts) S 17 SW 10 SW 14
Vent Rate (kt-ft) 83980 4500 60480
Max ADI Early 97 Good 36 Fair 46 Gen Good
Max ADI Late 104 Very Good14 Gen Poor 66 Good
Max LVORI Early 3 8 3
Max LVORI Late 3 8 3
Min Vsby Early 9 1 Fog 3 Fog
Min Vsby Late 7 3 Fog 8
Sunshine Hours N/A N/A N/A
CWR 40 90 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers. Lows
in the upper 50s. West winds 5 to 10 mph.
.THURSDAY...Sunny. Highs around 80. Northwest winds around 5 mph.
.THURSDAY NIGHT...Clear. Lows in the upper 50s. Northwest winds
around 5 mph.
.FRIDAY...Sunny. Highs in the lower 80s. North winds around
5 mph, becoming east in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Southeast
winds around 5 mph, becoming southwest after midnight.
.SATURDAY...Sunny. Highs in the lower 80s. East winds around
5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the
lower 60s. Highs in the lower 80s. Southwest winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the mid
80s. South winds around 5 mph.
$$
MAZ012-212000-
Southern Worcester MA-
Including the cities of Milford and Worcester
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 40 90 50
Chance of Thunder (%) 20 50 20
Temp (24h trend) 80 (0) 65 (+9) 82
RH % (24h trend) 58 (+20) 100 (0) 69
20ft Wnd AM(mph) S 5 G17 SW 6 G17
20ft Wnd PM(mph) S 9 G22 S 7 G20 SW 8 G19
Precip Amount 0.17 0.54 0.27
Precip Duration 1 8 2
Precip Begin 2 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 4230 450 5200
Transport Wnd (kts) S 17 SW 12 SW 16
Vent Rate (kt-ft) 71910 5400 83200
Max ADI Early 94 Good 24 Fair 43 Gen Good
Max ADI Late 55 Gen Good 12 Poor 51 Gen Good
Max LVORI Early 6 7 4
Max LVORI Late 6 7 4
Min Vsby Early 9 1 Fog 4 Fog
Min Vsby Late 4 Fog 1 Fog 8
Sunshine Hours N/A N/A N/A
CWR 60 90 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers. Lows
in the upper 50s. West winds 5 to 10 mph.
.THURSDAY...Sunny. Highs in the upper 70s. Northwest winds 5 to
10 mph.
.THURSDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds
around 5 mph.
.FRIDAY...Sunny. Highs in the lower 80s. North winds around
5 mph, becoming southeast in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. South winds
around 5 mph, becoming west after midnight.
.SATURDAY...Sunny. Highs around 80. East winds around 5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the
lower 60s. Highs in the lower 80s. Southwest winds around 5 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds around 5 mph.
$$
MAZ004-212000-
Northern Worcester MA-
Including the cities of Barre and Fitchburg
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 50 90 50
Chance of Thunder (%) 20 40 20
Temp (24h trend) 80 (+1) 63 (+8) 82
RH % (24h trend) 58 (+23) 100 (0) 62
20ft Wnd AM(mph) S 5 G17 SW 6 G17
20ft Wnd PM(mph) S 9 G22 S 7 G21 SW 8 G19
Precip Amount 0.16 0.51 0.29
Precip Duration 1 7 2
Precip Begin 2 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 4200 440 4690
Transport Wnd (kts) S 17 SW 11 W 17
Vent Rate (kt-ft) 71400 4840 79730
Max ADI Early 59 Gen Good 17 Gen Poor 42 Gen Good
Max ADI Late 54 Gen Good 12 Poor 57 Gen Good
Max LVORI Early 5 8 4
Max LVORI Late 5 8 4
Min Vsby Early 9 1 Fog 5 Fog
Min Vsby Late 5 Fog 1 Fog 8
Sunshine Hours N/A N/A N/A
CWR 60 90 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear with a chance of showers. Lows in
the mid 50s. West winds 5 to 10 mph.
.THURSDAY...Sunny. Highs in the mid 70s. Northwest winds around
5 mph.
.THURSDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds
around 5 mph.
.FRIDAY...Sunny. Highs around 80. North winds around 5 mph,
becoming south in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. South winds
around 5 mph, becoming west after midnight.
.SATURDAY...Sunny. Highs around 80. East winds around 5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows around
60. Highs in the lower 80s. Southwest winds around 5 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds around 5 mph.
$$
MAZ026-212000-
Northern Middlesex MA-
Including the city of Ayer
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Showers Tstms Tstms
Chance Precip (%) 40 90 50
Chance of Thunder (%) 0 40 20
Temp (24h trend) 82 (+1) 64 (+8) 84
RH % (24h trend) 56 (+20) 100 (+7) 65
20ft Wnd AM(mph) Lgt/Var SW 5
20ft Wnd PM(mph) S 8 G20 S 5 G19 SW 7 G18
Precip Amount 0.08 0.54 0.37
Precip Duration 1 6 2
Precip Begin 2 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 4620 440 4730
Transport Wnd (kts) S 17 SW 11 W 17
Vent Rate (kt-ft) 78540 4840 80410
Max ADI Early 86 Good 33 Fair 43 Gen Good
Max ADI Late 56 Gen Good 13 Gen Poor 93 Good
Max LVORI Early 3 9 3
Max LVORI Late 3 9 3
Min Vsby Early 9 1 Fog 4 Fog
Min Vsby Late 7 1 Fog 8
Sunshine Hours N/A N/A N/A
CWR 40 90 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear with a chance of showers. Lows in
the upper 50s. West winds 5 to 10 mph.
.THURSDAY...Sunny. Highs in the upper 70s. Northwest winds around
5 mph.
.THURSDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds
around 5 mph in the evening, becoming light and variable.
.FRIDAY...Sunny. Highs in the lower 80s. Light and variable wind,
becoming southeast around 5 mph in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. South winds
around 5 mph, becoming west after midnight.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Lows in the upper
50s. Highs in the lower 80s. Northwest winds around 5 mph.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s.
Highs in the lower 80s. Southwest winds around 5 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the mid
80s. Southwest winds around 5 mph.
$$
MAZ002-212000-
Western Franklin MA-
Including the city of Charlemont
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 70 80 40
Chance of Thunder (%) 50 50 0
Temp (24h trend) 77 (0) 60 (+7) 79
RH % (24h trend) 71 (+33) 100 (+4) 58
20ft Wnd AM(mph) S 5 G17 Lgt/Var
20ft Wnd PM(mph) SE 7 G20 Lgt/Var W 6
Precip Amount 0.25 0.27 0.11
Precip Duration 2 7 2
Precip Begin 12 PM Continuing Continuing
Precip End Continuing Continuing 6 PM
Mixing Hgt (ft-AGL) 2970 440 4880
Transport Wnd (kts) S 17 SW 9 W 18
Vent Rate (kt-ft) 50490 3960 87840
Max ADI Early 51 Gen Good 20 Gen Poor 66 Good
Max ADI Late 40 Fair 6 Very Poor 105 Very Good
Max LVORI Early 4 9 3
Max LVORI Late 4 9 3
Min Vsby Early 9 1 Fog 5 Fog
Min Vsby Late 4 Fog 2 Fog 9
Sunshine Hours N/A N/A N/A
CWR 70 80 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. West
winds 5 to 10 mph.
.THURSDAY...Sunny. Highs in the lower 70s. Northwest winds 5 to
10 mph.
.THURSDAY NIGHT...Clear. Lows in the lower 50s. Northwest winds
around 5 mph.
.FRIDAY...Sunny. Highs in the upper 70s. Northwest winds around
5 mph, becoming south in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. South winds
around 5 mph, becoming west after midnight.
.SATURDAY...Sunny. Highs in the upper 70s. East winds around
5 mph, becoming southeast in the afternoon.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the upper
50s. Highs around 80. South winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows
around 60. Southwest winds around 5 mph.
.MONDAY...Partly sunny with showers likely. Highs in the upper
70s. South winds around 5 mph.
$$
MAZ003-212000-
Eastern Franklin MA-
Including the cities of Greenfield and Orange
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 60 80 50
Chance of Thunder (%) 40 40 20
Temp (24h trend) 80 (-1) 63 (+8) 83
RH % (24h trend) 62 (+26) 100 (0) 58
20ft Wnd AM(mph) S 5 G18 SW 5
20ft Wnd PM(mph) S 9 G22 S 6 G20 W 7 G17
Precip Amount 0.26 0.40 0.14
Precip Duration 1 7 2
Precip Begin 1 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 3540 440 5000
Transport Wnd (kts) S 16 S 9 W 15
Vent Rate (kt-ft) 56640 3960 75000
Max ADI Early 49 Gen Good 20 Gen Poor 35 Fair
Max ADI Late 27 Fair 8 Poor 97 Good
Max LVORI Early 4 8 3
Max LVORI Late 4 8 3
Min Vsby Early 9 1 Fog 6 Fog
Min Vsby Late 5 Fog 2 Fog 7
Sunshine Hours N/A N/A N/A
CWR 60 80 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear with a chance of showers. Lows in
the mid 50s. West winds 5 to 10 mph.
.THURSDAY...Sunny. Highs in the upper 70s. Northwest winds around
5 mph.
.THURSDAY NIGHT...Clear. Lows in the lower 50s. Northwest winds
around 5 mph.
.FRIDAY...Sunny. Highs in the lower 80s. Northwest winds around
5 mph, becoming southwest in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. South winds
around 5 mph.
.SATURDAY...Sunny. Highs in the lower 80s. East winds around
5 mph, becoming southeast in the afternoon.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows around
60. Highs in the lower 80s. South winds around 5 mph.
.MONDAY...Partly sunny with showers likely. Highs in the lower
80s. South winds around 5 mph.
$$
MAZ008-212000-
Western Hampshire MA-
Including the city of Chesterfield
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 80 80 40
Chance of Thunder (%) 40 40 20
Temp (24h trend) 76 (-1) 61 (+7) 79
RH % (24h trend) 74 (+36) 100 (+4) 63
20ft Wnd AM(mph) S 5 G18 SW 5
20ft Wnd PM(mph) SE 8 G22 S 5 G17 W 7 G17
Precip Amount 0.35 0.31 0.12
Precip Duration 3 7 2
Precip Begin 12 PM Continuing Continuing
Precip End Continuing Continuing 6 PM
Mixing Hgt (ft-AGL) 2940 450 4730
Transport Wnd (kts) S 16 SW 10 W 16
Vent Rate (kt-ft) 47040 4500 75680
Max ADI Early 43 Gen Good 18 Gen Poor 62 Good
Max ADI Late 31 Fair 7 Poor 101 Very Good
Max LVORI Early 6 9 3
Max LVORI Late 6 9 3
Min Vsby Early 9 1 Fog 6 Fog
Min Vsby Late 3 Fog 2 Fog 9
Sunshine Hours N/A N/A N/A
CWR 70 80 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest
winds 5 to 10 mph.
.THURSDAY...Sunny. Highs in the lower 70s. Northwest winds 5 to
10 mph.
.THURSDAY NIGHT...Clear. Lows in the lower 50s. Northwest winds
around 5 mph.
.FRIDAY...Sunny. Highs in the upper 70s. North winds around
5 mph, becoming south in the afternoon.
.FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. South winds
around 5 mph, becoming west after midnight.
.SATURDAY...Sunny. Highs in the upper 70s. Northeast winds around
5 mph, becoming southeast in the afternoon.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the upper
50s. Highs around 80. South winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows
around 60. South winds around 5 mph.
.MONDAY...Partly sunny with showers likely. Highs in the upper
70s. Southwest winds around 5 mph.
$$
MAZ010-212000-
Eastern Hampshire MA-
Including the cities of Amherst and Northampton
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 70 80 50
Chance of Thunder (%) 40 40 20
Temp (24h trend) 80 (-2) 64 (+8) 84
RH % (24h trend) 62 (+27) 100 (0) 61
20ft Wnd AM(mph) S 6 G18 SW 6
20ft Wnd PM(mph) S 11 G23 S 8 G21 W 8 G18
Precip Amount 0.30 0.61 0.19
Precip Duration 2 7 2
Precip Begin 1 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 4020 430 4980
Transport Wnd (kts) S 17 S 9 W 15
Vent Rate (kt-ft) 68340 3870 74700
Max ADI Early 41 Gen Good 9 Poor 37 Fair
Max ADI Late 1 Very Poor 9 Poor 53 Gen Good
Max LVORI Early 6 8 4
Max LVORI Late 6 8 4
Min Vsby Early 9 1 Fog 7
Min Vsby Late 4 Fog 2 Fog 7
Sunshine Hours N/A N/A N/A
CWR 70 90 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear with a chance of showers. Lows in
the mid 50s. Northwest winds 5 to 10 mph.
.THURSDAY AND THURSDAY NIGHT...Clear. Lows in the mid 50s. Highs
in the upper 70s. Northwest winds around 5 mph.
.FRIDAY...Sunny. Highs in the lower 80s. North winds around
5 mph, becoming south in the afternoon.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the upper 50s.
Highs in the lower 80s. Southeast winds around 5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows around
60. Highs in the mid 80s. South winds around 5 mph.
.MONDAY...Partly sunny with showers likely. Highs in the lower
80s. South winds 5 to 10 mph.
$$
MAZ009-212000-
Western Hampden MA-
Including the city of Blandford
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 80 80 40
Chance of Thunder (%) 50 50 20
Temp (24h trend) 77 (-1) 63 (+8) 81
RH % (24h trend) 71 (+32) 100 (+4) 62
20ft Wnd AM(mph) S 5 G17 SW 5
20ft Wnd PM(mph) SE 8 G22 S 5 G17 W 7 G17
Precip Amount 0.48 0.45 0.12
Precip Duration 3 7 2
Precip Begin 12 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 3150 460 4680
Transport Wnd (kts) S 17 SW 8 W 16
Vent Rate (kt-ft) 53550 3680 74880
Max ADI Early 42 Gen Good 15 Gen Poor 72 Good
Max ADI Late 32 Fair 8 Poor 83 Good
Max LVORI Early 6 8 3
Max LVORI Late 6 8 3
Min Vsby Early 9 1 Fog 7
Min Vsby Late 3 Fog 2 Fog 9
Sunshine Hours N/A N/A N/A
CWR 80 80 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear with a chance of showers. Lows in
the mid 50s. Northwest winds 5 to 10 mph.
.THURSDAY AND THURSDAY NIGHT...Clear. Lows in the mid 50s. Highs
in the mid 70s. Northwest winds 5 to 10 mph.
.FRIDAY...Sunny. Highs in the upper 70s. North winds around
5 mph, becoming southeast in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s. South winds
around 5 mph, becoming west after midnight.
.SATURDAY...Sunny. Highs around 80. Northeast winds around 5 mph,
becoming southeast in the afternoon.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the upper
50s. Highs in the lower 80s. South winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the lower 60s. Southwest winds around 5 mph.
.MONDAY...Partly sunny with showers likely. Highs around 80.
Southwest winds around 5 mph.
$$
MAZ011-212000-
Eastern Hampden MA-
Including the city of Springfield
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 70 80 50
Chance of Thunder (%) 50 50 20
Temp (24h trend) 81 (0) 65 (+9) 84
RH % (24h trend) 62 (+28) 100 (0) 59
20ft Wnd AM(mph) S 7 G19 SW 7 G17
20ft Wnd PM(mph) S 11 G23 S 8 G22 SW 9 G19
Precip Amount 0.32 0.67 0.16
Precip Duration 2 8 2
Precip Begin 1 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 3940 440 4880
Transport Wnd (kts) S 18 SW 9 W 15
Vent Rate (kt-ft) 70920 3960 73200
Max ADI Early 44 Gen Good 10 Poor 42 Gen Good
Max ADI Late 1 Very Poor 10 Poor 56 Gen Good
Max LVORI Early 6 8 4
Max LVORI Late 6 8 4
Min Vsby Early 9 1 Fog 7
Min Vsby Late 3 Fog 2 Fog 8
Sunshine Hours N/A N/A N/A
CWR 70 90 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly clear with a chance of showers. Lows in
the mid 50s. Northwest winds 5 to 10 mph.
.THURSDAY AND THURSDAY NIGHT...Clear. Lows in the mid 50s. Highs
in the upper 70s. North winds around 5 mph.
.FRIDAY...Sunny. Highs in the lower 80s. North winds around
5 mph, becoming south in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds around 5 mph.
.SATURDAY...Sunny. Highs in the lower 80s. Northeast winds around
5 mph, becoming southeast around 5 mph in the afternoon.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the
lower 60s. Highs in the lower 80s. South winds around 5 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
lower 80s. South winds 5 to 10 mph.
$$
CTZ002-212000-
Hartford CT-
Including the cities of Hartford and Windsor Locks
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 70 80 40
Chance of Thunder (%) 50 50 20
Temp (24h trend) 80 (-1) 65 (+7) 84
RH % (24h trend) 64 (+27) 100 (0) 63
20ft Wnd AM(mph) S 6 G18 SW 6 G17
20ft Wnd PM(mph) SE 10 G23 S 7 G21 SW 8 G18
Precip Amount 0.40 0.65 0.14
Precip Duration 3 8 2
Precip Begin 1 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 3680 460 5530
Transport Wnd (kts) S 19 SW 10 W 15
Vent Rate (kt-ft) 69920 4600 82950
Max ADI Early 48 Gen Good 10 Poor 56 Gen Good
Max ADI Late 1 Very Poor 10 Poor 77 Good
Max LVORI Early 7 8 4
Max LVORI Late 7 8 4
Min Vsby Early 9 1 Fog 7
Min Vsby Late 2 Fog 2 Fog 8
Sunshine Hours N/A N/A N/A
CWR 80 90 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers. Lows
in the upper 50s. Northwest winds 5 to 10 mph.
.THURSDAY AND THURSDAY NIGHT...Clear. Lows in the upper 50s.
Highs in the upper 70s. Northwest winds around 5 mph.
.FRIDAY...Sunny. Highs in the lower 80s. North winds around
5 mph, becoming southeast in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. South winds
around 5 mph, becoming north after midnight.
.SATURDAY...Sunny. Highs in the lower 80s. Northeast winds around
5 mph, becoming southeast in the afternoon.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the
lower 60s. Highs in the lower 80s. South winds around 5 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
lower 80s. South winds around 5 mph.
$$
CTZ003-212000-
Tolland CT-
Including the cities of Union and Vernon
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 70 90 50
Chance of Thunder (%) 50 50 20
Temp (24h trend) 79 (-1) 65 (+9) 82
RH % (24h trend) 64 (+24) 100 (0) 67
20ft Wnd AM(mph) S 7 G19 SW 7 G18
20ft Wnd PM(mph) SE 11 G23 S 8 G22 SW 8 G19
Precip Amount 0.22 0.48 0.19
Precip Duration 3 8 2
Precip Begin 1 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 3770 450 5630
Transport Wnd (kts) S 18 SW 10 W 16
Vent Rate (kt-ft) 67860 4500 90080
Max ADI Early 52 Gen Good 11 Poor 40 Fair
Max ADI Late 52 Gen Good 11 Poor 71 Good
Max LVORI Early 8 8 5
Max LVORI Late 8 8 5
Min Vsby Early 9 1 Fog 6 Fog
Min Vsby Late 2 Fog 2 Fog 8
Sunshine Hours N/A N/A N/A
CWR 70 90 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers. Lows
in the upper 50s. Northwest winds 5 to 10 mph.
.THURSDAY...Sunny. Highs in the upper 70s. Northwest winds around
5 mph.
.THURSDAY NIGHT...Clear. Lows in the mid 50s. North winds around
5 mph.
.FRIDAY...Sunny. Highs in the lower 80s. North winds around
5 mph, becoming southeast in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. South winds
around 5 mph, becoming east after midnight.
.SATURDAY...Sunny. Highs around 80. East winds around 5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows around
60. Highs in the lower 80s. South winds around 5 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
lower 80s. South winds around 5 mph.
$$
CTZ004-212000-
Windham CT-
Including the cities of Putnam and Willimantic
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 60 90 50
Chance of Thunder (%) 50 50 20
Temp (24h trend) 79 (-1) 65 (+9) 82
RH % (24h trend) 67 (+25) 100 (0) 74
20ft Wnd AM(mph) S 6 G18 SW 7 G17
20ft Wnd PM(mph) S 10 G22 S 8 G20 SW 8 G19
Precip Amount 0.25 0.54 0.28
Precip Duration 1 8 2
Precip Begin 2 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 3850 460 5420
Transport Wnd (kts) S 17 SW 11 SW 16
Vent Rate (kt-ft) 65450 5060 86720
Max ADI Early 67 Good 12 Poor 39 Fair
Max ADI Late 52 Gen Good 11 Poor 55 Gen Good
Max LVORI Early 8 7 6
Max LVORI Late 8 7 6
Min Vsby Early 8 1 Fog 4 Fog
Min Vsby Late 3 Fog 2 Fog 8
Sunshine Hours N/A N/A N/A
CWR 70 90 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers. Lows
in the upper 50s. Northwest winds 5 to 10 mph.
.THURSDAY...Sunny. Highs in the upper 70s. Northwest winds around
5 mph.
.THURSDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds
around 5 mph.
.FRIDAY...Sunny. Highs in the lower 80s. North winds around
5 mph, becoming southeast in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s. South winds
around 5 mph, becoming northwest after midnight.
.SATURDAY...Sunny. Highs around 80. East winds around 5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows around
60. Highs in the lower 80s. Southwest winds around 5 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
lower 80s. South winds around 5 mph.
$$
RIZ001-212000-
Northwest Providence RI-
Including the cities of Foster and Smithfield
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 50 90 50
Chance of Thunder (%) 20 50 20
Temp (24h trend) 79 (-1) 66 (+9) 82
RH % (24h trend) 64 (+23) 100 (0) 77
20ft Wnd AM(mph) S 6 SW 8 G17
20ft Wnd PM(mph) S 9 G20 S 8 G19 SW 8 G19
Precip Amount 0.25 0.66 0.32
Precip Duration 1 8 2
Precip Begin 2 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 3900 460 5040
Transport Wnd (kts) S 17 SW 12 SW 16
Vent Rate (kt-ft) 66300 5520 80640
Max ADI Early 68 Good 21 Fair 40 Fair
Max ADI Late 54 Gen Good 13 Gen Poor 71 Good
Max LVORI Early 6 7 5
Max LVORI Late 6 7 5
Min Vsby Early 9 1 Fog 4 Fog
Min Vsby Late 4 Fog 3 Fog 7
Sunshine Hours N/A N/A N/A
CWR 60 90 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers. Lows
in the upper 50s. West winds 5 to 10 mph.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Lows in the upper
50s. Highs in the upper 70s. Northwest winds around 5 mph.
.FRIDAY...Sunny. Highs around 80. North winds around 5 mph,
becoming southeast in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. South winds
around 5 mph, becoming northwest after midnight.
.SATURDAY...Sunny. Highs in the upper 70s. East winds around
5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the
lower 60s. Highs around 80. Southwest winds around 5 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
lower 80s. Southwest winds around 5 mph.
$$
RIZ002-212000-
Southeast Providence RI-
Including the city of Providence
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 50 90 50
Chance of Thunder (%) 20 50 20
Temp (24h trend) 79 (-2) 67 (+8) 83
RH % (24h trend) 64 (+23) 100 (0) 74
20ft Wnd AM(mph) S 7 G17 SW 9 G18
20ft Wnd PM(mph) S 11 G20 S 9 G19 SW 10 G19
Precip Amount 0.17 0.73 0.11
Precip Duration 1 8 2
Precip Begin 2 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 3640 450 5310
Transport Wnd (kts) S 18 SW 13 SW 16
Vent Rate (kt-ft) 65520 5850 84960
Max ADI Early 50 Gen Good 13 Gen Poor 32 Fair
Max ADI Late 53 Gen Good 14 Gen Poor 56 Gen Good
Max LVORI Early 6 7 6
Max LVORI Late 6 7 6
Min Vsby Early 9 1 Fog 4 Fog
Min Vsby Late 4 Fog 4 Fog 7
Sunshine Hours N/A N/A N/A
CWR 60 90 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers. Lows
in the lower 60s. West winds 5 to 10 mph.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Lows around 60.
Highs in the upper 70s. Northwest winds around 5 mph.
.FRIDAY...Sunny. Highs in the lower 80s. North winds around
5 mph, becoming southeast around 5 mph in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds around 5 mph, becoming northwest after midnight.
.SATURDAY...Sunny. Highs in the upper 70s. East winds around
5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the
lower 60s. Highs in the lower 80s. Southwest winds around 5 mph.
.MONDAY...Partly sunny with a chance of showers. Highs in the
lower 80s. South winds 5 to 10 mph.
$$
RIZ003-212000-
Western Kent RI-
Including the cities of Coventry and West Greenwich
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 60 90 50
Chance of Thunder (%) 50 50 20
Temp (24h trend) 78 (-1) 66 (+8) 81
RH % (24h trend) 66 (+24) 100 (0) 77
20ft Wnd AM(mph) S 7 SW 9 G18
20ft Wnd PM(mph) S 10 G19 S 9 G19 SW 10 G20
Precip Amount 0.24 0.70 0.27
Precip Duration 1 8 2
Precip Begin 2 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 3340 470 5420
Transport Wnd (kts) S 17 SW 13 SW 16
Vent Rate (kt-ft) 56780 6110 86720
Max ADI Early 46 Gen Good 13 Gen Poor 29 Fair
Max ADI Late 49 Gen Good 13 Gen Poor 58 Gen Good
Max LVORI Early 7 7 6
Max LVORI Late 7 7 6
Min Vsby Early 7 1 Fog 4 Fog
Min Vsby Late 3 Fog 3 Fog 7
Sunshine Hours N/A N/A N/A
CWR 70 90 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers. Lows
around 60. West winds 5 to 10 mph, becoming northwest after
midnight.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Lows in the upper
50s. Highs in the upper 70s. Northwest winds around 5 mph.
.FRIDAY...Sunny. Highs in the upper 70s. North winds around
5 mph, becoming southeast around 5 mph in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. South winds
around 5 mph, becoming north after midnight.
.SATURDAY...Sunny. Highs in the upper 70s. East winds around
5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the
lower 60s. Highs in the upper 70s. Southwest winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. Southwest winds around 5 mph.
$$
RIZ004-212000-
Eastern Kent RI-
Including the cities of East Greenwich, Warwick, and West Warwick
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 50 90 50
Chance of Thunder (%) 20 50 20
Temp (24h trend) 78 (-2) 67 (+7) 82
RH % (24h trend) 64 (+23) 100 (0) 74
20ft Wnd AM(mph) S 8 G17 SW 10 G19
20ft Wnd PM(mph) S 11 G20 S 10 G19 SW 11 G20
Precip Amount 0.15 0.78 0.08
Precip Duration 1 8 2
Precip Begin 2 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 3190 450 5110
Transport Wnd (kts) S 18 SW 14 SW 16
Vent Rate (kt-ft) 57420 6300 81760
Max ADI Early 45 Gen Good 13 Gen Poor 1 Very Poor
Max ADI Late 48 Gen Good 14 Gen Poor 52 Gen Good
Max LVORI Early 6 6 6
Max LVORI Late 6 6 6
Min Vsby Early 9 1 Fog 4 Fog
Min Vsby Late 4 Fog 4 Fog 7
Sunshine Hours N/A N/A N/A
CWR 60 90 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the lower 60s. Southwest winds 5 to 10 mph, becoming northwest
after midnight.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Lows in the lower
60s. Highs in the upper 70s. Northwest winds around 5 mph.
.FRIDAY...Sunny. Highs around 80. North winds around 5 mph,
becoming southeast around 5 mph in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows around 60. South winds around
5 mph, becoming north after midnight.
.SATURDAY...Sunny. Highs in the upper 70s. East winds around
5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the
lower 60s. Highs around 80. Southwest winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. South winds 5 to 10 mph.
$$
RIZ005-212000-
Bristol RI-
Including the city of Bristol
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 50 90 50
Chance of Thunder (%) 20 40 20
Temp (24h trend) 78 (0) 68 (+7) 80
RH % (24h trend) 67 (+22) 100 (0) 82
20ft Wnd AM(mph) S 8 G17 SW 12 G22
20ft Wnd PM(mph) S 12 G21 S 12 G22 SW 13 G22
Precip Amount 0.13 0.96 0.08
Precip Duration 1 8 2
Precip Begin 2 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 3270 440 4430
Transport Wnd (kts) S 18 SW 15 SW 16
Vent Rate (kt-ft) 58860 6600 70880
Max ADI Early 45 Gen Good 15 Gen Poor 1 Very Poor
Max ADI Late 49 Gen Good 15 Gen Poor 46 Gen Good
Max LVORI Early 6 10 8
Max LVORI Late 6 10 8
Min Vsby Early 9 1 Fog 4 Fog
Min Vsby Late 4 Fog 3 Fog 7
Sunshine Hours N/A N/A N/A
CWR 50 90 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the lower 60s. Southwest winds 10 to 15 mph, becoming
northwest around 5 mph after midnight.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Lows in the lower
60s. Highs in the upper 70s. Northwest winds around 5 mph.
.FRIDAY...Sunny. Highs around 80. North winds around 5 mph,
becoming southeast around 5 mph in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds around 5 mph, becoming northeast after midnight.
.SATURDAY...Sunny. Highs in the upper 70s. East winds around
5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the
mid 60s. Highs around 80. Southwest winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. South winds 5 to 10 mph.
$$
RIZ006-212000-
Washington RI-
Including the cities of Narragansett and Westerly
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 60 90 60
Chance of Thunder (%) 50 50 20
Temp (24h trend) 78 (+1) 66 (+7) 81
RH % (24h trend) 67 (+24) 100 (0) 77
20ft Wnd AM(mph) S 7 G17 SW 11 G23
20ft Wnd PM(mph) SE 10 G21 S 10 G23 SW 11 G22
Precip Amount 0.19 0.84 0.18
Precip Duration 1 10 4
Precip Begin 2 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 2890 460 4450
Transport Wnd (kts) S 16 SW 16 SW 15
Vent Rate (kt-ft) 46240 7360 66750
Max ADI Early 35 Fair 15 Gen Poor 1 Very Poor
Max ADI Late 39 Fair 16 Gen Poor 45 Gen Good
Max LVORI Early 7 6 5
Max LVORI Late 7 6 5
Min Vsby Early 8 1 Fog 2 Fog
Min Vsby Late 2 Fog 2 Fog 6 Fog
Sunshine Hours N/A N/A N/A
CWR 60 90 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the lower 60s. Southwest winds 10 to 15 mph, becoming
northwest around 5 mph after midnight.
.THURSDAY...Sunny. Highs in the upper 70s. North winds 5 to
10 mph, becoming west in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest
winds around 5 mph.
.FRIDAY...Sunny. Highs in the upper 70s. Northeast winds around
5 mph, becoming southeast around 5 mph in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds around 5 mph, becoming northeast after midnight.
.SATURDAY THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the lower
60s. Highs in the upper 70s. Southwest winds 5 to 10 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. South winds 5 to 10 mph.
$$
RIZ007-212000-
Newport RI-
Including the city of Newport
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 50 90 60
Chance of Thunder (%) 20 50 20
Temp (24h trend) 78 (+2) 68 (+6) 80
RH % (24h trend) 64 (+19) 100 (0) 82
20ft Wnd AM(mph) S 9 SW 14 G23
20ft Wnd PM(mph) SE 13 G22 S 13 G23 SW 14 G24
Precip Amount 0.14 0.85 0.11
Precip Duration 1 10 4
Precip Begin 2 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 2280 440 2610
Transport Wnd (kts) S 17 SW 16 SW 16
Vent Rate (kt-ft) 38760 7040 41760
Max ADI Early 31 Fair 18 Gen Poor 1 Very Poor
Max ADI Late 33 Fair 18 Gen Poor 32 Fair
Max LVORI Early 7 5 8
Max LVORI Late 7 5 8
Min Vsby Early 9 1 Fog 2 Fog
Min Vsby Late 4 Fog 2 Fog 7
Sunshine Hours N/A N/A N/A
CWR 50 90 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 60s. Southwest winds 10 to 15 mph, becoming northwest
5 to 10 mph after midnight.
.THURSDAY...Sunny. Highs in the upper 70s. Northwest winds 5 to
10 mph, becoming west in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Southwest
winds 5 to 10 mph, becoming north after midnight.
.FRIDAY...Sunny. Highs in the upper 70s. Northeast winds around
5 mph, becoming southeast in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds 5 to 10 mph, becoming northeast after midnight.
.SATURDAY THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the mid
60s. Highs in the upper 70s. Southwest winds 5 to 10 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. South winds 5 to 10 mph.
$$
RIZ008-212000-
Block Island RI-
Including the city of New Shoreham
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 60 90 70
Chance of Thunder (%) 50 50 20
Temp (24h trend) 77 (+4) 68 (+4) 77
RH % (24h trend) 79 (+18) 100 (+3) 84
20ft Wnd AM(mph) S 10 G17 SW 15 G26
20ft Wnd PM(mph) SE 13 G21 S 15 G26 SW 15 G23
Precip Amount 0.12 0.73 0.06
Precip Duration 1 10 4
Precip Begin 2 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 760 520 970
Transport Wnd (kts) S 21 SW 20 SW 20
Vent Rate (kt-ft) 15960 10400 19400
Max ADI Early 21 Fair 23 Fair 1 Very Poor
Max ADI Late 22 Fair 24 Fair 27 Fair
Max LVORI Early 6 5 7
Max LVORI Late 6 5 7
Min Vsby Early 9 1 Fog 2 Fog
Min Vsby Late 3 Fog 2 Fog 5 Fog
Sunshine Hours N/A N/A N/A
CWR 60 90 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 60s. Southwest winds 10 to 15 mph, becoming northwest
5 to 10 mph after midnight.
.THURSDAY...Sunny. Highs in the mid 70s. North winds 5 to 10 mph,
becoming southwest in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 60s. East winds
around 5 mph, becoming north after midnight.
.FRIDAY...Sunny. Highs in the mid 70s. Northeast winds around
5 mph, becoming east in the afternoon.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the mid 60s.
Highs in the lower 70s. East winds around 5 mph.
.SATURDAY NIGHT THROUGH MONDAY...Partly cloudy. Lows in the mid
60s. Highs in the lower 70s. South winds 5 to 10 mph.
$$
MAZ017-212000-
Northern Bristol MA-
Including the city of Taunton
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Showers Tstms Tstms
Chance Precip (%) 40 90 50
Chance of Thunder (%) 0 40 20
Temp (24h trend) 80 (-1) 66 (+9) 83
RH % (24h trend) 58 (+19) 100 (0) 74
20ft Wnd AM(mph) S 6 SW 8 G20
20ft Wnd PM(mph) S 9 G19 S 8 G20 SW 9 G21
Precip Amount 0.10 0.93 0.07
Precip Duration 1 7 2
Precip Begin 3 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 4210 440 4590
Transport Wnd (kts) S 17 S 13 SW 17
Vent Rate (kt-ft) 71570 5720 78030
Max ADI Early 71 Good 13 Gen Poor 36 Fair
Max ADI Late 60 Gen Good 15 Gen Poor 55 Gen Good
Max LVORI Early 5 6 6
Max LVORI Late 5 6 6
Min Vsby Early 9 1 Fog 3 Fog
Min Vsby Late 7 3 Fog 6 Fog
Sunshine Hours N/A N/A N/A
CWR 50 90 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
around 60. Southwest winds 5 to 10 mph, becoming northwest after
midnight.
.THURSDAY AND THURSDAY NIGHT...Mostly clear. Lows in the upper
50s. Highs around 80. Northwest winds around 5 mph.
.FRIDAY...Sunny. Highs in the lower 80s. North winds around
5 mph, becoming east around 5 mph in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds around 5 mph in the evening, becoming light and variable.
.SATURDAY...Sunny. Highs around 80. East winds around 5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the
lower 60s. Highs in the lower 80s. Southwest winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. South winds around 5 mph.
$$
MAZ018-212000-
Western Plymouth MA-
Including the city of Brockton
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Showers Tstms Tstms
Chance Precip (%) 30 90 50
Chance of Thunder (%) 0 40 20
Temp (24h trend) 80 (-1) 66 (+8) 83
RH % (24h trend) 52 (+14) 100 (0) 70
20ft Wnd AM(mph) S 6 G17 SW 9 G22
20ft Wnd PM(mph) S 9 G20 S 8 G21 SW 10 G23
Precip Amount 0.06 1.01 0.07
Precip Duration 0 7 2
Precip Begin 3 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 4400 440 4290
Transport Wnd (kts) S 18 S 14 SW 17
Vent Rate (kt-ft) 79200 6160 72930
Max ADI Early 73 Good 15 Gen Poor 1 Very Poor
Max ADI Late 58 Gen Good 14 Gen Poor 56 Gen Good
Max LVORI Early 4 10 6
Max LVORI Late 4 10 6
Min Vsby Early 9 1 Fog 3 Fog
Min Vsby Late 8 3 Fog 7
Sunshine Hours N/A N/A N/A
CWR 30 90 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the lower 60s. Southwest winds 5 to 10 mph, becoming west
after midnight.
.THURSDAY...Sunny. Highs in the upper 70s. North winds around
5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. Southeast
winds around 5 mph in the evening, becoming light and variable.
.FRIDAY...Sunny. Highs around 80. North winds around 5 mph,
becoming east around 5 mph in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southeast
winds around 5 mph, becoming north after midnight.
.SATURDAY...Sunny. Highs in the upper 70s. East winds around
5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the
lower 60s. Highs around 80. Southwest winds around 5 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. South winds 5 to 10 mph.
$$
MAZ019-212000-
Eastern Plymouth MA-
Including the city of Plymouth
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Showers Tstms Tstms
Chance Precip (%) 30 90 50
Chance of Thunder (%) 0 40 20
Temp (24h trend) 81 (+2) 67 (+7) 84
RH % (24h trend) 51 (+12) 100 (0) 67
20ft Wnd AM(mph) S 7 SW 11 G23
20ft Wnd PM(mph) S 10 G20 S 10 G23 SW 11 G23
Precip Amount 0.03 0.95 0.08
Precip Duration 0 8 2
Precip Begin 4 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 3720 440 3170
Transport Wnd (kts) S 16 SW 15 SW 16
Vent Rate (kt-ft) 59520 6600 50720
Max ADI Early 33 Fair 18 Gen Poor 1 Very Poor
Max ADI Late 35 Fair 18 Gen Poor 35 Fair
Max LVORI Early 4 10 6
Max LVORI Late 4 10 6
Min Vsby Early 9 1 Fog 3 Fog
Min Vsby Late 9 3 Fog 6 Fog
Sunshine Hours N/A N/A N/A
CWR 30 90 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 60s. West winds 10 to 15 mph.
.THURSDAY...Sunny. Highs in the upper 70s. Northwest winds around
5 mph, becoming northeast in the afternoon.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Southeast
winds around 5 mph, becoming northwest after midnight.
.FRIDAY...Sunny. Highs in the upper 70s. North winds around
5 mph, becoming east in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds 5 to 10 mph, becoming west after midnight.
.SATURDAY...Sunny. Highs in the mid 70s. East winds around 5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the
mid 60s. Highs in the upper 70s. Southwest winds 5 to 10 mph.
.MONDAY...Mostly sunny with a chance of showers. Highs in the
lower 80s. South winds 5 to 10 mph.
$$
MAZ020-212000-
Southern Bristol MA-
Including the cities of Fall River and New Bedford
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Showers Tstms Tstms
Chance Precip (%) 50 90 60
Chance of Thunder (%) 0 40 20
Temp (24h trend) 80 (+2) 67 (+7) 82
RH % (24h trend) 60 (+16) 100 (0) 74
20ft Wnd AM(mph) S 8 G17 SW 13 G26
20ft Wnd PM(mph) S 11 G23 S 12 G23 SW 13 G26
Precip Amount 0.10 0.97 0.09
Precip Duration 1 9 3
Precip Begin 2 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 3560 440 4240
Transport Wnd (kts) S 17 SW 16 SW 17
Vent Rate (kt-ft) 60520 7040 72080
Max ADI Early 41 Gen Good 18 Gen Poor 1 Very Poor
Max ADI Late 49 Gen Good 15 Gen Poor 37 Fair
Max LVORI Early 6 10 7
Max LVORI Late 6 10 7
Min Vsby Early 9 1 Fog 2 Fog
Min Vsby Late 6 Fog 2 Fog 7
Sunshine Hours N/A N/A N/A
CWR 40 90 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the lower 60s. Southwest winds 15 to 20 mph, becoming
northwest 5 to 10 mph after midnight.
.THURSDAY...Mostly sunny. Highs around 80. Northwest winds 5 to
10 mph.
.THURSDAY NIGHT...Mostly clear. Lows around 60. South winds
around 5 mph, becoming north after midnight.
.FRIDAY...Sunny. Highs around 80. Northeast winds around 5 mph,
becoming southeast in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds around 5 mph, becoming northeast after midnight.
.SATURDAY THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the lower
60s. Highs in the upper 70s. Southwest winds 5 to 10 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
South winds 10 to 15 mph.
$$
MAZ021-212000-
Southern Plymouth MA-
Including the city of Mattapoisett
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Showers Tstms Tstms
Chance Precip (%) 40 90 60
Chance of Thunder (%) 0 40 20
Temp (24h trend) 81 (+3) 68 (+8) 83
RH % (24h trend) 58 (+14) 100 (0) 74
20ft Wnd AM(mph) S 7 G17 SW 13 G28
20ft Wnd PM(mph) S 11 G23 S 11 G24 SW 13 G27
Precip Amount 0.05 1.09 0.08
Precip Duration 0 10 4
Precip Begin 3 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 3850 440 3460
Transport Wnd (kts) S 18 SW 16 SW 18
Vent Rate (kt-ft) 69300 7040 62280
Max ADI Early 46 Gen Good 19 Gen Poor 1 Very Poor
Max ADI Late 52 Gen Good 17 Gen Poor 45 Gen Good
Max LVORI Early 4 9 6
Max LVORI Late 4 9 6
Min Vsby Early 9 1 Fog 3 Fog
Min Vsby Late 7 3 Fog 6 Fog
Sunshine Hours N/A N/A N/A
CWR 30 90 20
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 60s. Southwest winds 10 to 15 mph, becoming west 5 to
10 mph after midnight.
.THURSDAY...Mostly sunny. Highs in the upper 70s. North winds
around 5 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. East winds
around 5 mph, becoming north after midnight.
.FRIDAY...Sunny. Highs around 80. Northeast winds around 5 mph,
becoming east around 5 mph in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. Southeast
winds around 5 mph, becoming northeast after midnight.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Lows in the lower 60s.
Highs in the upper 70s. East winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the mid 60s. South winds
around 5 mph.
.MONDAY...Partly sunny with a chance of showers. Highs around 80.
South winds 5 to 10 mph.
$$
MAZ022-212000-
Barnstable MA-
Including the cities of Chatham, Falmouth, and Provincetown
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 20 90 70
Chance of Thunder (%) 0 40 20
Temp (24h trend) 81 (+4) 69 (+6) 82
RH % (24h trend) 59 (+12) 100 (0) 70
20ft Wnd AM(mph) S 7 SW 13 G28
20ft Wnd PM(mph) S 10 G22 S 12 G23 SW 13 G27
Precip Amount 0.00 1.33 0.11
Precip Duration 10 4
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt (ft-AGL) 2770 520 2440
Transport Wnd (kts) S 17 SW 18 SW 19
Vent Rate (kt-ft) 47090 9360 46360
Max ADI Early 37 Fair 23 Fair 1 Very Poor
Max ADI Late 36 Fair 21 Fair 1 Very Poor
Max LVORI Early 4 9 7
Max LVORI Late 4 9 7
Min Vsby Early 9 1 Fog 3 Fog
Min Vsby Late 8 2 Fog 4 Fog
Sunshine Hours N/A N/A N/A
CWR 0 90 30
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 60s. Southwest winds 10 to 15 mph, becoming west 5 to
10 mph after midnight.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Lows in the mid
60s. Highs in the upper 70s. North winds 5 to 10 mph.
.FRIDAY...Sunny. Highs in the upper 70s. Northeast winds around
5 mph, becoming east around 5 mph in the afternoon.
.FRIDAY NIGHT THROUGH SUNDAY...Partly cloudy. Lows in the mid
60s. Highs in the mid 70s. Northeast winds around 5 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the upper 60s. Southeast
winds around 5 mph, becoming southwest after midnight.
.MONDAY...Mostly sunny. Highs in the upper 70s. South winds 5 to
10 mph.
$$
MAZ023-212000-
Dukes MA-
Including the city of Vineyard Haven
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Showers Tstms Tstms
Chance Precip (%) 40 90 80
Chance of Thunder (%) 0 40 20
Temp (24h trend) 81 (+7) 68 (+6) 81
RH % (24h trend) 60 (+12) 100 (0) 74
20ft Wnd AM(mph) S 9 G18 SW 17 G29
20ft Wnd PM(mph) SE 12 G23 S 15 G25 SW 16 G27
Precip Amount 0.04 0.90 0.12
Precip Duration 1 11 5
Precip Begin 3 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt (ft-AGL) 1580 630 1750
Transport Wnd (kts) S 17 SW 23 SW 22
Vent Rate (kt-ft) 26860 14490 38500
Max ADI Early 29 Fair 27 Fair 1 Very Poor
Max ADI Late 27 Fair 26 Fair 40 Fair
Max LVORI Early 5 9 6
Max LVORI Late 5 9 6
Min Vsby Early 9 1 Fog 1 Fog
Min Vsby Late 7 2 Fog 5 Fog
Sunshine Hours N/A N/A N/A
CWR 30 90 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with a chance of showers. Lows
in the mid 60s. Southwest winds 15 to 20 mph, becoming west 10 to
15 mph after midnight.
.THURSDAY...Mostly sunny with a chance of showers. Highs in the
upper 70s. North winds 5 to 10 mph, becoming northeast in the
afternoon.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. East winds
5 to 10 mph, becoming north after midnight.
.FRIDAY...Sunny. Highs in the upper 70s. Northeast winds 5 to
10 mph, becoming east in the afternoon.
.FRIDAY NIGHT THROUGH SUNDAY...Partly cloudy. Lows in the mid
60s. Highs in the mid 70s. East winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the mid 60s. South winds
5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the mid 70s. Southwest winds
10 to 15 mph.
$$
MAZ024-212000-
Nantucket MA-
Including the city of Nantucket
408 AM EDT Tue Jul 21 2026
Today Tonight Wed
Cloud Cover Pcldy Mcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 20 90 80
Chance of Thunder (%) 0 50 40
Temp (24h trend) 80 (+6) 68 (+5) 80
RH % (24h trend) 67 (+14) 100 (0) 74
20ft Wnd AM(mph) S 8 SW 19 G31
20ft Wnd PM(mph) SE 11 G22 S 15 G26 SW 18 G29
Precip Amount 0.00 0.56 0.16
Precip Duration 11 6
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt (ft-AGL) 1310 750 1640
Transport Wnd (kts) S 17 S 23 SW 28
Vent Rate (kt-ft) 22270 17250 45920
Max ADI Early 27 Fair 29 Fair 1 Very Poor
Max ADI Late 25 Fair 27 Fair 41 Gen Good
Max LVORI Early 5 9 6
Max LVORI Late 5 9 6
Min Vsby Early 9 1 Fog 3 Fog
Min Vsby Late 9 2 Fog 4 Fog
Sunshine Hours N/A N/A N/A
CWR 0 90 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY NIGHT...Mostly cloudy with showers likely. Lows in the
upper 60s. Southwest winds 15 to 20 mph.
.THURSDAY...Partly sunny with a chance of showers. Highs in the
mid 70s. North winds 5 to 10 mph, becoming northeast in the
afternoon.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the mid 60s. Northeast winds 5 to 10 mph.
.FRIDAY...Sunny. Highs in the mid 70s. Northeast winds 5 to
10 mph.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the mid 60s.
Highs in the lower 70s. East winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers. Lows in
the mid 60s. East winds 5 to 10 mph.
.SUNDAY...Mostly sunny. Highs in the lower 70s. Northeast winds
5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy. Lows in the mid 60s. East winds
5 to 10 mph, becoming southwest after midnight.
.MONDAY...Mostly sunny. Highs in the mid 70s. Southwest winds
5 to 10 mph.
$$
.OUTLOOK 8 TO 14 DAYS...
Temperatures near normal. Precipitation above normal.
$$
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