Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Boston, MA
Issued by NWS Boston, MA
794
FNUS51 KBOX 190809
FWFBOX
Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
408 AM EDT Sat Sep 19 2026
.DISCUSSION...
An area of high pressure build in from the WNW with drier
conditions and lowering dew points through this afternoon, and
then dry with fall-like conditions on Saturday.
Minimum values of relative humidity Saturday those values are
lowering, 35-50 percent for most and 45-60 percent for Cape Cod
and Islands.
.Outlook...Sunday through Tuesday...
Showers return on Sunday, which could be heavy at times, possibly
lingering through early next week.
MAZ015-192000-
Suffolk MA-
Including the city of Boston
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 65 (-14) 49 (-6) 63
RH % (24h trend) 45 (+4) 86 (-14) 65
20ft Wnd AM(mph) N 5 Lgt/Var
20ft Wnd PM(mph) E 5 Lgt/Var SE 6
Precip Amount 0.00 0.00 0.18
Precip Duration 4
Precip Begin 1 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 3870 380 2590
Transport Wnd (kts) NE 7 S 6 S 10
Vent Rate (kt-ft) 27090 2280 25900
Max ADI Early 41 Gen Good 16 Gen Poor 25 Fair
Max ADI Late 36 Fair 4 Very Poor 25 Fair
Max LVORI Early 2 4 6
Max LVORI Late 2 4 6
Min Vsby Early 9 9 9
Min Vsby Late 9 9 3 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Lows in the lower 50s. East winds 5 to
10 mph, becoming north 10 to 15 mph after midnight.
.MONDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows in the
lower 50s. Highs in the lower 60s. Northeast winds 15 to 20 mph.
.THURSDAY THROUGH FRIDAY...Breezy. Mostly cloudy with a chance of
showers. Lows in the lower 50s. Highs in the lower 60s. Northeast
winds 15 to 25 mph.
$$
MAZ016-192000-
Eastern Norfolk MA-
Including the city of Quincy
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 64 (-15) 47 (-8) 63
RH % (24h trend) 45 (0) 86 (-14) 65
20ft Wnd AM(mph) NE 5 G17 Lgt/Var
20ft Wnd PM(mph) NE 5 Lgt/Var SE 5
Precip Amount 0.00 0.00 0.16
Precip Duration 4
Precip Begin 1 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 3550 400 2500
Transport Wnd (kts) NE 10 S 6 S 10
Vent Rate (kt-ft) 35500 2400 25000
Max ADI Early 43 Gen Good 16 Gen Poor 24 Fair
Max ADI Late 38 Fair 3 Very Poor 25 Fair
Max LVORI Early 2 5 6
Max LVORI Late 2 5 6
Min Vsby Early 9 9 9
Min Vsby Late 9 9 3 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the lower 50s.
Southeast winds around 5 mph, becoming northeast after midnight.
.MONDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows in the
lower 50s. Highs in the lower 60s. Northeast winds 15 to 20 mph.
.THURSDAY THROUGH FRIDAY...Breezy. Mostly cloudy with a chance of
showers. Lows around 50. Highs in the lower 60s. Northeast winds
15 to 25 mph.
$$
MAZ013-192000-
Western Norfolk MA-
Including the cities of Foxborough and Norwood
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 66 (-13) 45 (-6) 63
RH % (24h trend) 42 (-2) 93 (-7) 67
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.21
Precip Duration 4
Precip Begin 1 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 4240 370 2400
Transport Wnd (kts) NE 5 SE 5 S 10
Vent Rate (kt-ft) 21200 1850 24000
Max ADI Early 44 Gen Good 16 Gen Poor 22 Fair
Max ADI Late 37 Fair 3 Very Poor 23 Fair
Max LVORI Early 2 7 8
Max LVORI Late 2 7 8
Min Vsby Early 9 9 9
Min Vsby Late 9 9 3 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the lower 50s. East
winds around 5 mph, becoming north after midnight.
.MONDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows in the
upper 40s. Highs in the lower 60s. Northeast winds 10 to 15 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the upper 40s. Highs in the lower 60s. Northeast
winds 10 to 15 mph.
$$
MAZ014-192000-
Southeast Middlesex MA-
Including the city of Cambridge
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 65 (-14) 46 (-6) 63
RH % (24h trend) 41 (-2) 89 (-11) 67
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var SE 5
Precip Amount 0.00 0.00 0.19
Precip Duration 4
Precip Begin 1 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 4240 390 2640
Transport Wnd (kts) NE 5 S 6 S 10
Vent Rate (kt-ft) 21200 2340 26400
Max ADI Early 40 Fair 16 Gen Poor 26 Fair
Max ADI Late 33 Fair 3 Very Poor 26 Fair
Max LVORI Early 2 5 6
Max LVORI Late 2 5 6
Min Vsby Early 9 9 9
Min Vsby Late 9 9 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the lower 50s. East
winds around 5 mph, becoming north after midnight.
.MONDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows in the
lower 50s. Highs in the lower 60s. Northeast winds 10 to 15 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the upper 40s. Highs in the lower 60s. Northeast
winds 10 to 15 mph.
$$
MAZ007-192000-
Eastern Essex MA-
Including the city of Gloucester
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Mclear Mclear Mcldy
Precip Type None None Showers
Chance Precip (%) 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 64 (-13) 47 (-7) 63
RH % (24h trend) 43 (+7) 89 (-11) 62
20ft Wnd AM(mph) N 6 G18 Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var SE 6
Precip Amount 0.00 0.00 0.18
Precip Duration 4
Precip Begin 1 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 3840 400 3110
Transport Wnd (kts) NE 6 S 7 S 11
Vent Rate (kt-ft) 23040 2800 34210
Max ADI Early 40 Fair 15 Gen Poor 31 Fair
Max ADI Late 35 Fair 4 Very Poor 29 Fair
Max LVORI Early 2 5 6
Max LVORI Late 2 5 6
Min Vsby Early 9 9 9
Min Vsby Late 9 9 3 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the lower 50s. East
winds 5 to 10 mph, becoming northeast 10 to 15 mph after
midnight.
.MONDAY THROUGH TUESDAY NIGHT...Mostly cloudy. Lows in the lower
50s. Highs in the lower 60s. Northeast winds 10 to 15 mph.
.WEDNESDAY...Mostly sunny. Highs in the lower 60s. Northeast
winds 15 to 20 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows around 50. Northeast winds
10 to 15 mph.
.THURSDAY THROUGH FRIDAY...Breezy. Mostly cloudy with a chance of
showers. Lows around 50. Highs in the lower 60s. Northeast winds
15 to 25 mph.
$$
MAZ006-192000-
Western Essex MA-
Including the city of Lawrence
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 65 (-12) 45 (-7) 62
RH % (24h trend) 38 (-5) 89 (-11) 67
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.19
Precip Duration 4
Precip Begin 1 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 4270 400 2760
Transport Wnd (kts) N 4 S 5 S 10
Vent Rate (kt-ft) 17080 2000 27600
Max ADI Early 38 Fair 16 Gen Poor 25 Fair
Max ADI Late 29 Fair 3 Very Poor 24 Fair
Max LVORI Early 2 6 7
Max LVORI Late 2 6 7
Min Vsby Early 9 9 8
Min Vsby Late 9 8 3 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the upper 40s. East
winds around 5 mph, becoming north after midnight.
.MONDAY...Mostly sunny. Highs in the mid 60s. North winds 5 to
10 mph.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly cloudy. Lows in the
mid 40s. Highs around 60. Northeast winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny. Highs in the lower 60s. Northeast
winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 40s. Northeast
winds 5 to 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the mid 40s. Highs in the lower 60s. Northeast
winds 10 to 15 mph.
$$
MAZ005-192000-
Central Middlesex MA-
Including the cities of Framingham and Lowell
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 67 (-10) 44 (-7) 62
RH % (24h trend) 37 (-6) 93 (-7) 67
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.20
Precip Duration 4
Precip Begin 12 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 4290 380 2510
Transport Wnd (kts) N 3 S 6 S 10
Vent Rate (kt-ft) 12870 2280 25100
Max ADI Early 32 Fair 16 Gen Poor 24 Fair
Max ADI Late 27 Fair 3 Very Poor 24 Fair
Max LVORI Early 2 7 7
Max LVORI Late 2 7 7
Min Vsby Early 9 9 7
Min Vsby Late 9 8 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the upper 40s. East
winds around 5 mph, becoming north after midnight.
.MONDAY AND MONDAY NIGHT...Mostly cloudy. Lows in the upper 40s.
Highs in the mid 60s. North winds 5 to 10 mph.
.TUESDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid
40s. Highs in the lower 60s. Northeast winds 10 to 15 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the mid 40s. Highs in the lower 60s. Northeast
winds 10 to 15 mph.
$$
MAZ012-192000-
Southern Worcester MA-
Including the cities of Milford and Worcester
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 67 (-11) 45 (-7) 61
RH % (24h trend) 38 (-3) 93 (-7) 77
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var SE 5
Precip Amount 0.00 0.00 0.30
Precip Duration 4
Precip Begin 11 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 4230 390 2020
Transport Wnd (kts) N 3 SE 6 SE 10
Vent Rate (kt-ft) 12690 2340 20200
Max ADI Early 30 Fair 13 Gen Poor 21 Fair
Max ADI Late 29 Fair 3 Very Poor 1 Very Poor
Max LVORI Early 2 7 10
Max LVORI Late 2 7 10
Min Vsby Early 9 9 7
Min Vsby Late 9 9 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 70
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows around 50. East winds
around 5 mph, becoming north after midnight.
.MONDAY AND MONDAY NIGHT...Mostly cloudy. Lows 45 to 50. Highs in
the mid 60s. North winds 5 to 10 mph.
.TUESDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid
40s. Highs in the lower 60s. Northeast winds 10 to 15 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the mid 40s. Highs in the lower 60s. Northeast
winds 10 to 15 mph.
$$
MAZ004-192000-
Northern Worcester MA-
Including the cities of Barre and Fitchburg
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 90
Chance of Thunder (%) 0 0 0
Temp (24h trend) 66 (-9) 42 (-9) 59
RH % (24h trend) 37 (-8) 96 (-4) 77
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var SE 5
Precip Amount 0.00 0.00 0.30
Precip Duration 5
Precip Begin 9 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 4020 410 2070
Transport Wnd (kts) NW 3 S 7 S 11
Vent Rate (kt-ft) 12060 2870 22770
Max ADI Early 22 Fair 7 Poor 18 Gen Poor
Max ADI Late 20 Gen Poor 4 Very Poor 1 Very Poor
Max LVORI Early 2 9 10
Max LVORI Late 2 9 10
Min Vsby Early 9 9 7
Min Vsby Late 9 8 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 70
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the upper 40s.
Northeast winds 5 to 10 mph.
.MONDAY AND MONDAY NIGHT...Mostly cloudy. Lows in the mid 40s.
Highs in the mid 60s. North winds 5 to 10 mph.
.TUESDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows in the
lower 40s. Highs around 60. Northeast winds 10 to 15 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the lower 40s. Highs around 60. Northeast winds
10 to 15 mph.
$$
MAZ026-192000-
Northern Middlesex MA-
Including the city of Ayer
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Mclear Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 90
Chance of Thunder (%) 0 0 0
Temp (24h trend) 68 (-9) 43 (-7) 60
RH % (24h trend) 37 (-8) 93 (-7) 77
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.23
Precip Duration 4
Precip Begin 11 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 4160 380 2350
Transport Wnd (kts) NW 3 S 6 S 10
Vent Rate (kt-ft) 12480 2280 23500
Max ADI Early 24 Fair 12 Poor 22 Fair
Max ADI Late 21 Fair 3 Very Poor 17 Gen Poor
Max LVORI Early 2 7 9
Max LVORI Late 2 7 9
Min Vsby Early 9 9 7
Min Vsby Late 9 8 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the upper 40s.
Northeast winds around 5 mph, becoming north after midnight.
.MONDAY AND MONDAY NIGHT...Mostly cloudy. Lows in the mid 40s.
Highs in the mid 60s. North winds around 5 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Lows in the lower
40s. Highs around 60. Northeast winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the lower 60s. Northeast
winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 40s.
Northeast winds 5 to 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the lower 40s. Highs in the lower 60s. Northeast
winds 10 to 15 mph.
$$
MAZ002-192000-
Western Franklin MA-
Including the city of Charlemont
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 90
Chance of Thunder (%) 0 0 0
Temp (24h trend) 65 (-8) 41 (-7) 55
RH % (24h trend) 35 (-15) 100 (0) 86
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.58
Precip Duration 6
Precip Begin 8 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 3700 420 1660
Transport Wnd (kts) NW 3 SE 4 S 12
Vent Rate (kt-ft) 11100 1680 19920
Max ADI Early 21 Fair 5 Very Poor 8 Poor
Max ADI Late 20 Gen Poor 4 Very Poor 17 Gen Poor
Max LVORI Early 2 8 10
Max LVORI Late 2 8 10
Min Vsby Early 9 9 4 Fog
Min Vsby Late 9 9 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 80
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the mid 40s. North
winds 5 to 10 mph.
.MONDAY...Mostly sunny. Highs in the lower 60s. North winds 5 to
10 mph.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly cloudy. Lows in the
lower 40s. Highs in the upper 50s. Northeast winds 5 to 10 mph.
.WEDNESDAY...Mostly sunny. Highs in the upper 50s. Northeast
winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Lows around 40. Northeast winds
5 to 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the lower 40s. Highs in the upper 50s. North
winds 10 to 15 mph.
$$
MAZ003-192000-
Eastern Franklin MA-
Including the cities of Greenfield and Orange
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 90
Chance of Thunder (%) 0 0 0
Temp (24h trend) 67 (-7) 43 (-6) 58
RH % (24h trend) 34 (-12) 100 (0) 80
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.41
Precip Duration 6
Precip Begin 8 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 3810 410 1930
Transport Wnd (kts) N 3 SE 4 S 10
Vent Rate (kt-ft) 11430 1640 19300
Max ADI Early 22 Fair 4 Very Poor 12 Poor
Max ADI Late 20 Gen Poor 4 Very Poor 3 Very Poor
Max LVORI Early 2 8 10
Max LVORI Late 2 8 10
Min Vsby Early 9 9 6 Fog
Min Vsby Late 9 9 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 80
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the upper 40s.
Northeast winds around 5 mph, increasing to north 10 to 15 mph
after midnight.
.MONDAY AND MONDAY NIGHT...Mostly cloudy. Lows in the mid 40s.
Highs in the mid 60s. North winds 5 to 10 mph.
.TUESDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows in the
lower 40s. Highs in the lower 60s. Northeast winds 10 to 15 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the lower 40s. Highs in the lower 60s. North
winds 15 to 20 mph.
$$
MAZ008-192000-
Western Hampshire MA-
Including the city of Chesterfield
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 90
Chance of Thunder (%) 0 0 0
Temp (24h trend) 65 (-8) 42 (-7) 56
RH % (24h trend) 37 (-13) 100 (+7) 86
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.61
Precip Duration 6
Precip Begin 8 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 3730 410 1510
Transport Wnd (kts) NW 3 S 5 SE 9
Vent Rate (kt-ft) 11190 2050 13590
Max ADI Early 22 Fair 6 Very Poor 8 Poor
Max ADI Late 21 Fair 4 Very Poor 11 Poor
Max LVORI Early 2 9 10
Max LVORI Late 2 9 10
Min Vsby Early 9 9 4 Fog
Min Vsby Late 9 9 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 90
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the upper 40s. North
winds 5 to 10 mph.
.MONDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows 41 to 47.
Highs around 60. Northeast winds 5 to 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the lower 40s. Highs in the upper 50s. North
winds 10 to 15 mph.
$$
MAZ010-192000-
Eastern Hampshire MA-
Including the cities of Amherst and Northampton
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 90
Chance of Thunder (%) 0 0 0
Temp (24h trend) 68 (-9) 45 (-5) 61
RH % (24h trend) 36 (-6) 100 (0) 80
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var SE 5
Precip Amount 0.00 0.00 0.44
Precip Duration 6
Precip Begin 8 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 3810 400 1650
Transport Wnd (kts) N 3 SE 4 SE 11
Vent Rate (kt-ft) 11430 1600 18150
Max ADI Early 22 Fair 4 Very Poor 12 Poor
Max ADI Late 20 Gen Poor 3 Very Poor 1 Very Poor
Max LVORI Early 2 9 10
Max LVORI Late 2 9 10
Min Vsby Early 9 9 6 Fog
Min Vsby Late 9 9 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 80
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the upper 40s.
Northeast winds around 5 mph, becoming north 10 to 15 mph after
midnight.
.MONDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows 43 to 49.
Highs in the mid 60s. Northeast winds 10 to 15 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the mid 40s. Highs in the lower 60s. North winds
10 to 15 mph.
$$
MAZ009-192000-
Western Hampden MA-
Including the city of Blandford
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 90
Chance of Thunder (%) 0 0 0
Temp (24h trend) 65 (-10) 44 (-6) 57
RH % (24h trend) 37 (-13) 100 (+3) 86
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.63
Precip Duration 6
Precip Begin 8 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 3780 390 1410
Transport Wnd (kts) N 3 S 5 SE 9
Vent Rate (kt-ft) 11340 1950 12690
Max ADI Early 23 Fair 7 Poor 8 Poor
Max ADI Late 22 Fair 4 Very Poor 1 Very Poor
Max LVORI Early 2 9 10
Max LVORI Late 2 9 10
Min Vsby Early 9 9 4 Fog
Min Vsby Late 9 9 1 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 80
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the upper 40s. North
winds 5 to 10 mph.
.MONDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows 43 to 48.
Highs in the lower 60s. Northeast winds 10 to 15 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the mid 40s. Highs in the upper 50s. North winds
10 to 15 mph.
$$
MAZ011-192000-
Eastern Hampden MA-
Including the city of Springfield
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 90
Chance of Thunder (%) 0 0 0
Temp (24h trend) 68 (-10) 46 (-6) 62
RH % (24h trend) 35 (-4) 96 (-4) 77
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var SE 5
Precip Amount 0.00 0.00 0.44
Precip Duration 6
Precip Begin 8 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 3960 400 1640
Transport Wnd (kts) N 3 SE 5 SE 11
Vent Rate (kt-ft) 11880 2000 18040
Max ADI Early 22 Fair 6 Very Poor 12 Poor
Max ADI Late 21 Fair 4 Very Poor 1 Very Poor
Max LVORI Early 2 9 9
Max LVORI Late 2 9 9
Min Vsby Early 9 9 6 Fog
Min Vsby Late 9 9 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 80
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows around 50. North winds
5 to 10 mph.
.MONDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows 44 to 50.
Highs in the mid 60s. Northeast winds 10 to 15 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the mid 40s. Highs in the lower 60s. North winds
10 to 15 mph.
$$
CTZ002-192000-
Hartford CT-
Including the cities of Hartford and Windsor Locks
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 90
Chance of Thunder (%) 0 0 0
Temp (24h trend) 69 (-11) 48 (-7) 64
RH % (24h trend) 37 (-1) 100 (0) 78
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var SE 5
Precip Amount 0.00 0.00 0.47
Precip Duration 5
Precip Begin 8 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 3860 400 1600
Transport Wnd (kts) N 3 S 6 SE 10
Vent Rate (kt-ft) 11580 2400 16000
Max ADI Early 27 Fair 5 Very Poor 12 Poor
Max ADI Late 23 Fair 3 Very Poor 1 Very Poor
Max LVORI Early 2 9 10
Max LVORI Late 2 9 10
Min Vsby Early 9 9 5 Fog
Min Vsby Late 9 9 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 80
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the lower 50s. East
winds around 5 mph, increasing to north 10 to 15 mph after
midnight.
.MONDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows 45 to 51.
Highs in the mid 60s. Northeast winds 10 to 15 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the mid 40s. Highs in the lower 60s. North winds
10 to 15 mph.
$$
CTZ003-192000-
Tolland CT-
Including the cities of Union and Vernon
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 68 (-10) 48 (-5) 63
RH % (24h trend) 37 (-5) 93 (-7) 80
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var SE 5
Precip Amount 0.00 0.00 0.40
Precip Duration 4
Precip Begin 9 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 4150 390 1670
Transport Wnd (kts) N 3 SE 6 SE 11
Vent Rate (kt-ft) 12450 2340 18370
Max ADI Early 24 Fair 6 Very Poor 10 Poor
Max ADI Late 24 Fair 4 Very Poor 1 Very Poor
Max LVORI Early 2 7 10
Max LVORI Late 2 7 10
Min Vsby Early 9 9 7
Min Vsby Late 9 9 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 80
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the lower 50s. East
winds around 5 mph, becoming north after midnight.
.MONDAY AND MONDAY NIGHT...Mostly cloudy. Lows 46 to 51. Highs in
the mid 60s. Northeast winds 5 to 10 mph.
.TUESDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid
40s. Highs in the lower 60s. Northeast winds 10 to 15 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the mid 40s. Highs in the lower 60s. North winds
10 to 15 mph.
$$
CTZ004-192000-
Windham CT-
Including the cities of Putnam and Willimantic
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 68 (-11) 48 (-5) 64
RH % (24h trend) 39 (-3) 93 (-7) 78
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var SE 5
Precip Amount 0.00 0.00 0.36
Precip Duration 4
Precip Begin 11 AM
Precip End Continuing
Mixing Hgt (ft-AGL) 4310 370 1900
Transport Wnd (kts) N 3 SE 6 SE 11
Vent Rate (kt-ft) 12930 2220 20900
Max ADI Early 30 Fair 9 Poor 18 Gen Poor
Max ADI Late 28 Fair 3 Very Poor 1 Very Poor
Max LVORI Early 2 8 10
Max LVORI Late 2 8 10
Min Vsby Early 9 9 7
Min Vsby Late 9 9 2 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 70
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the lower 50s.
Southeast winds around 5 mph, becoming north after midnight.
.MONDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows 46 to 51.
Highs in the mid 60s. Northeast winds 10 to 15 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the upper 40s. Highs in the lower 60s. North
winds 10 to 15 mph.
$$
RIZ001-192000-
Northwest Providence RI-
Including the cities of Foster and Smithfield
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 67 (-11) 47 (-6) 62
RH % (24h trend) 42 (-3) 96 (-4) 75
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var SE 5
Precip Amount 0.00 0.00 0.29
Precip Duration 4
Precip Begin 12 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 4380 370 2110
Transport Wnd (kts) NE 4 SE 5 SE 10
Vent Rate (kt-ft) 17520 1850 21100
Max ADI Early 36 Fair 16 Gen Poor 19 Gen Poor
Max ADI Late 32 Fair 3 Very Poor 1 Very Poor
Max LVORI Early 2 7 9
Max LVORI Late 2 7 9
Min Vsby Early 9 9 8
Min Vsby Late 9 9 3 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 70
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the lower 50s.
Southeast winds around 5 mph, becoming north after midnight.
.MONDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows 46 to 51.
Highs in the lower 60s. Northeast winds 10 to 15 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the upper 40s. Highs in the lower 60s. North
winds 10 to 15 mph.
$$
RIZ002-192000-
Southeast Providence RI-
Including the city of Providence
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 67 (-13) 47 (-9) 64
RH % (24h trend) 43 (+1) 89 (-11) 72
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var SE 6
Precip Amount 0.00 0.00 0.25
Precip Duration 3
Precip Begin 1 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 4540 380 2500
Transport Wnd (kts) NE 4 SE 5 SE 11
Vent Rate (kt-ft) 18160 1900 27500
Max ADI Early 42 Gen Good 20 Gen Poor 27 Fair
Max ADI Late 37 Fair 3 Very Poor 1 Very Poor
Max LVORI Early 2 7 7
Max LVORI Late 2 7 7
Min Vsby Early 9 9 9
Min Vsby Late 9 9 4 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 70
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the lower 50s.
Southeast winds around 5 mph, becoming north after midnight.
.MONDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows 48 to 53.
Highs in the mid 60s. Northeast winds 10 to 15 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the upper 40s. Highs in the lower 60s. North
winds 15 to 20 mph.
$$
RIZ003-192000-
Western Kent RI-
Including the cities of Coventry and West Greenwich
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 66 (-14) 49 (-6) 64
RH % (24h trend) 45 (-4) 93 (-7) 72
20ft Wnd AM(mph) NE 5 Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var SE 5
Precip Amount 0.00 0.00 0.29
Precip Duration 3
Precip Begin 1 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 4500 380 2500
Transport Wnd (kts) N 4 SE 5 SE 12
Vent Rate (kt-ft) 18000 1900 30000
Max ADI Early 38 Fair 16 Gen Poor 22 Fair
Max ADI Late 33 Fair 3 Very Poor 1 Very Poor
Max LVORI Early 2 8 8
Max LVORI Late 2 8 8
Min Vsby Early 9 9 9
Min Vsby Late 9 9 3 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the lower 50s.
Southeast winds around 5 mph, becoming northeast after midnight.
.MONDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows 47 to 53.
Highs in the lower 60s. Northeast winds 10 to 15 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the upper 40s. Highs in the lower 60s. North
winds 10 to 15 mph.
$$
RIZ004-192000-
Eastern Kent RI-
Including the cities of East Greenwich, Warwick, and West Warwick
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 67 (-14) 49 (-9) 65
RH % (24h trend) 43 (+7) 89 (-11) 70
20ft Wnd AM(mph) N 5 Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var SE 7
Precip Amount 0.00 0.00 0.25
Precip Duration 3
Precip Begin 1 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 4440 400 2680
Transport Wnd (kts) NE 5 SE 5 SE 12
Vent Rate (kt-ft) 22200 2000 32160
Max ADI Early 43 Gen Good 20 Gen Poor 30 Fair
Max ADI Late 38 Fair 3 Very Poor 1 Very Poor
Max LVORI Early 2 6 6
Max LVORI Late 2 6 6
Min Vsby Early 9 9 9
Min Vsby Late 9 9 4 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the mid 50s.
Southeast winds 5 to 10 mph, becoming north after midnight.
.MONDAY...Partly sunny with a chance of showers. Highs in the mid
60s. North winds 10 to 15 mph.
.MONDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows
around 50. Highs in the lower 60s. Northeast winds 15 to 20 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the lower 50s. Highs in the lower 60s. North
winds 15 to 20 mph.
$$
RIZ005-192000-
Bristol RI-
Including the city of Bristol
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 67 (-14) 50 (-7) 66
RH % (24h trend) 46 (+2) 86 (-14) 70
20ft Wnd AM(mph) N 5 Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var SE 7
Precip Amount 0.00 0.00 0.22
Precip Duration 3
Precip Begin 1 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 4470 400 2650
Transport Wnd (kts) NE 6 SE 5 S 12
Vent Rate (kt-ft) 26820 2000 31800
Max ADI Early 48 Gen Good 21 Fair 28 Fair
Max ADI Late 43 Gen Good 3 Very Poor 1 Very Poor
Max LVORI Early 2 5 7
Max LVORI Late 2 5 7
Min Vsby Early 9 9 9
Min Vsby Late 9 9 4 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 70
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the mid 50s.
Southeast winds 5 to 10 mph, becoming north 10 to 15 mph after
midnight.
.MONDAY...Partly sunny with a chance of showers. Highs in the mid
60s. North winds 10 to 15 mph.
.MONDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows in
the lower 50s. Highs in the lower 60s. Northeast winds 15 to
20 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the lower 50s. Highs in the lower 60s. North
winds 15 to 20 mph.
$$
RIZ006-192000-
Washington RI-
Including the cities of Narragansett and Westerly
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 70
Chance of Thunder (%) 0 0 0
Temp (24h trend) 67 (-14) 50 (-8) 66
RH % (24h trend) 43 (+5) 93 (-7) 70
20ft Wnd AM(mph) NE 6 G18 SE 5
20ft Wnd PM(mph) Lgt/Var Lgt/Var SE 7
Precip Amount 0.00 0.00 0.25
Precip Duration 2
Precip Begin 1 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 4470 380 2830
Transport Wnd (kts) NE 6 E 6 SE 13
Vent Rate (kt-ft) 26820 2280 36790
Max ADI Early 39 Fair 23 Fair 25 Fair
Max ADI Late 37 Fair 4 Very Poor 1 Very Poor
Max LVORI Early 2 6 8
Max LVORI Late 2 6 8
Min Vsby Early 9 9 9
Min Vsby Late 9 9 4 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the mid 50s. South
winds 5 to 10 mph, becoming northeast 10 to 15 mph after
midnight.
.MONDAY...Mostly cloudy with a chance of showers. Highs in the
mid 60s. Northeast winds 10 to 15 mph.
.MONDAY NIGHT THROUGH WEDNESDAY...Breezy. Mostly cloudy. Lows in
the upper 40s. Highs in the lower 60s. Northeast winds 20 to
25 mph.
.WEDNESDAY NIGHT THROUGH FRIDAY...Windy. Mostly cloudy with a
chance of showers. Lows around 50. Highs in the lower 60s. North
winds 20 to 30 mph.
$$
RIZ007-192000-
Newport RI-
Including the city of Newport
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 70
Chance of Thunder (%) 0 0 0
Temp (24h trend) 66 (-15) 51 (-8) 66
RH % (24h trend) 46 (+6) 86 (-14) 70
20ft Wnd AM(mph) NE 7 G18 SE 6
20ft Wnd PM(mph) NE 5 Lgt/Var SE 9
Precip Amount 0.00 0.00 0.21
Precip Duration 2
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 4210 400 2890
Transport Wnd (kts) NE 6 SE 6 SE 13
Vent Rate (kt-ft) 25260 2400 37570
Max ADI Early 33 Fair 25 Fair 31 Fair
Max ADI Late 41 Gen Good 5 Very Poor 1 Very Poor
Max LVORI Early 2 4 7
Max LVORI Late 2 4 7
Min Vsby Early 9 9 9
Min Vsby Late 9 9 4 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the mid 50s.
Southeast winds 5 to 10 mph, becoming northeast 10 to 15 mph
after midnight.
.MONDAY...Mostly cloudy with a chance of showers. Highs in the
mid 60s. North winds 10 to 15 mph.
.MONDAY NIGHT THROUGH WEDNESDAY...Breezy. Mostly cloudy. Lows in
the lower 50s. Highs in the mid 60s. Northeast winds 20 to
25 mph.
.WEDNESDAY NIGHT THROUGH FRIDAY...Windy. Mostly cloudy with a
chance of showers. Lows in the lower 50s. Highs in the mid 60s.
North winds 20 to 30 mph.
$$
RIZ008-192000-
Block Island RI-
Including the city of New Shoreham
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 60
Chance of Thunder (%) 0 0 0
Temp (24h trend) 65 (-13) 59 (-2) 68
RH % (24h trend) 56 (-4) 72 (-28) 70
20ft Wnd AM(mph) NE 10 G20 SE 8
20ft Wnd PM(mph) E 7 E 6 SE 10
Precip Amount 0.00 0.00 0.16
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 3150 2120 3460
Transport Wnd (kts) NE 9 E 10 SE 14
Vent Rate (kt-ft) 28350 21200 48440
Max ADI Early 36 Fair 28 Fair 37 Fair
Max ADI Late 33 Fair 15 Gen Poor 1 Very Poor
Max LVORI Early 2 3 6
Max LVORI Late 2 3 6
Min Vsby Early 9 9 9
Min Vsby Late 9 9 5 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the upper 50s. South
winds 5 to 10 mph, becoming northwest 10 to 15 mph after
midnight.
.MONDAY...Mostly cloudy with a chance of showers. Highs in the
mid 60s. Northeast winds around 15 mph.
.MONDAY NIGHT THROUGH WEDNESDAY...Breezy. Mostly cloudy. Lows in
the upper 50s. Highs in the mid 60s. Northeast winds 20 to
25 mph.
.WEDNESDAY NIGHT THROUGH FRIDAY...Windy. Mostly cloudy with a
chance of showers. Lows in the upper 50s. Highs in the mid 60s.
North winds 20 to 30 mph.
$$
MAZ017-192000-
Northern Bristol MA-
Including the city of Taunton
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 66 (-13) 44 (-8) 64
RH % (24h trend) 45 (+4) 93 (-7) 72
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.21
Precip Duration 4
Precip Begin 1 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 4260 380 2410
Transport Wnd (kts) NE 5 SE 5 S 10
Vent Rate (kt-ft) 21300 1900 24100
Max ADI Early 47 Gen Good 16 Gen Poor 21 Fair
Max ADI Late 43 Gen Good 3 Very Poor 23 Fair
Max LVORI Early 2 7 8
Max LVORI Late 2 7 8
Min Vsby Early 9 9 9
Min Vsby Late 9 9 3 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the lower 50s.
Southeast winds around 5 mph, becoming north after midnight.
.MONDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows 46 to 51.
Highs in the mid 60s. Northeast winds 10 to 15 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the upper 40s. Highs in the lower 60s. North
winds 10 to 15 mph.
$$
MAZ018-192000-
Western Plymouth MA-
Including the city of Brockton
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 64 (-15) 45 (-7) 64
RH % (24h trend) 45 (-1) 93 (-7) 65
20ft Wnd AM(mph) NE 5 Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var SE 5
Precip Amount 0.00 0.00 0.18
Precip Duration 4
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 3890 390 2500
Transport Wnd (kts) NE 8 SE 5 S 10
Vent Rate (kt-ft) 31120 1950 25000
Max ADI Early 56 Gen Good 14 Gen Poor 24 Fair
Max ADI Late 48 Gen Good 3 Very Poor 25 Fair
Max LVORI Early 2 7 7
Max LVORI Late 2 7 7
Min Vsby Early 9 9 9
Min Vsby Late 9 9 3 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the lower 50s.
Southeast winds around 5 mph, becoming northeast after midnight.
.MONDAY...Partly sunny with a chance of showers. Highs in the mid
60s. North winds 5 to 10 mph.
.MONDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows in
the upper 40s. Highs in the lower 60s. Northeast winds 10 to
15 mph.
.THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of
showers. Lows in the upper 40s. Highs in the lower 60s. North
winds 10 to 15 mph.
$$
MAZ019-192000-
Eastern Plymouth MA-
Including the city of Plymouth
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 80
Chance of Thunder (%) 0 0 0
Temp (24h trend) 64 (-12) 48 (-8) 64
RH % (24h trend) 46 (-1) 86 (-14) 63
20ft Wnd AM(mph) NE 8 G20 Lgt/Var
20ft Wnd PM(mph) NE 5 Lgt/Var SE 6
Precip Amount 0.00 0.00 0.15
Precip Duration 4
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 3590 400 2740
Transport Wnd (kts) N 11 SE 7 S 11
Vent Rate (kt-ft) 39490 2800 30140
Max ADI Early 37 Fair 16 Gen Poor 28 Fair
Max ADI Late 34 Fair 4 Very Poor 28 Fair
Max LVORI Early 2 4 6
Max LVORI Late 2 4 6
Min Vsby Early 9 9 9
Min Vsby Late 9 9 3 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the mid 50s.
Southeast winds 5 to 10 mph, becoming northeast 10 to 15 mph
after midnight.
.MONDAY...Partly sunny with a chance of showers. Highs in the mid
60s. North winds 15 to 20 mph.
.MONDAY NIGHT THROUGH WEDNESDAY NIGHT...Breezy. Mostly cloudy.
Lows in the lower 50s. Highs in the lower 60s. Northeast winds
20 to 25 mph.
.THURSDAY AND THURSDAY NIGHT...Breezy. Mostly cloudy with a
chance of showers. Lows in the lower 50s. Highs in the lower 60s.
Northeast winds 20 to 25 mph.
.FRIDAY...Windy. Partly sunny with a chance of showers. Highs in
the lower 60s. Northeast winds 20 to 30 mph.
$$
MAZ020-192000-
Southern Bristol MA-
Including the cities of Fall River and New Bedford
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 70
Chance of Thunder (%) 0 0 0
Temp (24h trend) 67 (-13) 46 (-9) 66
RH % (24h trend) 45 (+3) 89 (-11) 68
20ft Wnd AM(mph) NE 6 G19 SE 5
20ft Wnd PM(mph) NE 5 Lgt/Var SE 7
Precip Amount 0.00 0.00 0.19
Precip Duration 2
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 4250 380 2710
Transport Wnd (kts) NE 8 E 7 SE 11
Vent Rate (kt-ft) 34000 2660 29810
Max ADI Early 42 Gen Good 20 Gen Poor 28 Fair
Max ADI Late 44 Gen Good 4 Very Poor 1 Very Poor
Max LVORI Early 2 6 7
Max LVORI Late 2 6 7
Min Vsby Early 9 9 9
Min Vsby Late 9 9 4 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the lower 50s.
Southeast winds 10 to 15 mph, becoming northeast after midnight.
.MONDAY...Mostly cloudy with a chance of showers. Highs in the
mid 60s. North winds 15 to 20 mph.
.MONDAY NIGHT THROUGH WEDNESDAY NIGHT...Breezy. Mostly cloudy.
Lows around 50. Highs in the mid 60s. Northeast winds 20 to
25 mph.
.THURSDAY THROUGH FRIDAY...Windy. Mostly cloudy with a chance of
showers. Lows around 50. Highs in the mid 60s. North winds 20 to
30 mph.
$$
MAZ021-192000-
Southern Plymouth MA-
Including the city of Mattapoisett
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 70
Chance of Thunder (%) 0 0 0
Temp (24h trend) 65 (-13) 46 (-9) 66
RH % (24h trend) 46 (-4) 89 (-8) 67
20ft Wnd AM(mph) NE 6 G19 Lgt/Var
20ft Wnd PM(mph) NE 5 Lgt/Var SE 6
Precip Amount 0.00 0.00 0.16
Precip Duration 3
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 3850 400 2760
Transport Wnd (kts) N 9 SE 6 SE 11
Vent Rate (kt-ft) 34650 2400 30360
Max ADI Early 38 Fair 19 Gen Poor 28 Fair
Max ADI Late 50 Gen Good 3 Very Poor 29 Fair
Max LVORI Early 2 5 6
Max LVORI Late 2 5 6
Min Vsby Early 9 9 9
Min Vsby Late 9 9 4 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 60
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the lower 50s.
Southeast winds 5 to 10 mph, becoming northeast 10 to 15 mph
after midnight.
.MONDAY...Mostly cloudy with a chance of showers. Highs in the
mid 60s. North winds 10 to 15 mph.
.MONDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows
around 50. Highs in the mid 60s. Northeast winds 15 to 20 mph.
.THURSDAY THROUGH FRIDAY...Breezy. Mostly cloudy with a chance of
showers. Lows around 50. Highs in the mid 60s. North winds 15 to
25 mph.
$$
MAZ022-192000-
Barnstable MA-
Including the cities of Chatham, Falmouth, and Provincetown
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 70
Chance of Thunder (%) 0 0 0
Temp (24h trend) 63 (-12) 50 (-7) 66
RH % (24h trend) 50 (+7) 80 (-20) 65
20ft Wnd AM(mph) NE 8 G19 SE 5
20ft Wnd PM(mph) NE 6 Lgt/Var SE 7
Precip Amount 0.00 0.00 0.12
Precip Duration 2
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 3600 400 2820
Transport Wnd (kts) N 10 E 7 SE 13
Vent Rate (kt-ft) 36000 2800 36660
Max ADI Early 41 Gen Good 23 Fair 34 Fair
Max ADI Late 42 Gen Good 6 Very Poor 35 Fair
Max LVORI Early 1 3 5
Max LVORI Late 1 3 5
Min Vsby Early 9 9 9
Min Vsby Late 9 9 5 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 50
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the mid 50s.
Southeast winds 10 to 15 mph.
.MONDAY...Mostly cloudy with a chance of showers. Highs in the
mid 60s. North winds 10 to 15 mph.
.MONDAY NIGHT THROUGH WEDNESDAY NIGHT...Breezy. Mostly cloudy.
Lows in the mid 50s. Highs in the mid 60s. Northeast winds 20 to
25 mph.
.THURSDAY AND THURSDAY NIGHT...Breezy. Mostly cloudy with a
chance of showers. Lows in the mid 50s. Highs in the mid 60s.
Northeast winds 15 to 25 mph.
.FRIDAY...Breezy. Partly sunny with a chance of showers. Highs in
the mid 60s. Northeast winds 15 to 25 mph.
$$
MAZ023-192000-
Dukes MA-
Including the city of Vineyard Haven
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 60
Chance of Thunder (%) 0 0 0
Temp (24h trend) 65 (-11) 53 (-4) 67
RH % (24h trend) 50 (-8) 75 (-25) 66
20ft Wnd AM(mph) NE 10 G21 SE 7
20ft Wnd PM(mph) NE 7 E 5 SE 9
Precip Amount 0.00 0.00 0.11
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 3480 1020 2850
Transport Wnd (kts) N 11 E 9 SE 14
Vent Rate (kt-ft) 38280 9180 39900
Max ADI Early 41 Gen Good 35 Fair 35 Fair
Max ADI Late 38 Fair 10 Poor 1 Very Poor
Max LVORI Early 2 3 5
Max LVORI Late 2 3 5
Min Vsby Early 9 9 9
Min Vsby Late 9 9 5 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the upper 50s.
Southeast winds 15 to 20 mph.
.MONDAY...Mostly cloudy with a chance of showers. Highs in the
mid 60s. Northeast winds 15 to 20 mph.
.MONDAY NIGHT THROUGH WEDNESDAY...Windy. Mostly cloudy. Lows in
the mid 50s. Highs in the mid 60s. Northeast winds 20 to 30 mph.
.WEDNESDAY NIGHT THROUGH FRIDAY...Windy. Mostly cloudy with a
chance of showers. Lows in the mid 50s. Highs in the mid 60s.
North winds 25 to 35 mph.
$$
MAZ024-192000-
Nantucket MA-
Including the city of Nantucket
408 AM EDT Sat Sep 19 2026
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None None Showers
Chance Precip (%) 50
Chance of Thunder (%) 0 0 0
Temp (24h trend) 63 (-11) 55 (-4) 66
RH % (24h trend) 56 (-6) 74 (-26) 67
20ft Wnd AM(mph) NE 12 G21 SE 8
20ft Wnd PM(mph) NE 9 E 5 SE 9
Precip Amount 0.00 0.00 0.04
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt (ft-AGL) 3410 1740 2620
Transport Wnd (kts) N 14 E 11 SE 14
Vent Rate (kt-ft) 47740 19140 36680
Max ADI Early 1 Very Poor 39 Fair 32 Fair
Max ADI Late 41 Gen Good 16 Gen Poor 2 Very Poor
Max LVORI Early 4 3 6
Max LVORI Late 4 3 6
Min Vsby Early 9 9 9
Min Vsby Late 9 9 6 Fog
Sunshine Hours N/A N/A N/A
CWR 0 0 40
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Showers. Patchy fog. Lows in the upper 50s.
Southeast winds 10 to 15 mph.
.MONDAY...Mostly cloudy with showers likely. Highs in the mid
60s. Northeast winds 15 to 20 mph.
.MONDAY NIGHT THROUGH WEDNESDAY...Windy. Mostly cloudy. Lows in
the upper 50s. Highs in the lower 60s. Northeast winds 20 to
30 mph.
.WEDNESDAY NIGHT THROUGH FRIDAY...Windy. Mostly cloudy with a
chance of showers. Lows in the upper 50s. Highs in the mid 60s.
North winds 25 to 35 mph.
$$
.OUTLOOK 8 TO 14 DAYS...
Temperatures near normal. Precipitation near normal.
$$
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