537
FNUS51 KBOX 210809
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
408 AM EDT FRI AUG 21 2026
DISCUSSION
THE CHANCE FOR SHOWERS AND PERHAPS A FEW THUNDERSTORMS CONTINUES
INTO TODAY, ESPECIALLY ALONG THE S COAST. SHOWER CHANCES CONTINUE
INTO SATURDAY, WITH A CHANCE FOR WIDESPREAD RAINFALL SOMETIME
SATURDAY INTO SATURDAY NIGHT.
LOWEST RELATIVE HUMIDITY VALUES WILL RANGE FROM AND 60 TO
75 PERCENT TODAY FOR MUCH OF THE INTERIOR. OVER THE COASTAL
PLAIN, VALUES MAY REACH 80 TO 90 PERCENT. LOWEST RELATIVE
HUMIDITY VALUES SATURDAY WILL RANGE BETWEEN 70 AND 95 PERCENT.
OUTLOOK...SATURDAY NIGHT THROUGH THURSDAY
MULTIPLE CHANCES FOR SHOWERS AND PERHAPS A WIDESPREAD WETTING
RAINFALL MAY CONTINUE INTO SATURDAY NIGHT. WIDESPREAD RAIN TAPERS
TO SHOWERS SUNDAY WITH DRIER WEATHER MONDAY. DRIER CONDITIONS
CONTINUE THROUGH NEXT WEEK.
MAZ015-212000-
SUFFOLK MA-
INCLUDING THE CITY OF BOSTON
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 40 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (-12) 60 (-6) 72
RH % (24H TREND) 71 (+32) 100 (+10) 81
20FT WND AM(MPH) NE 7 NE 7
20FT WND PM(MPH) NE 9 NE 6 NE 7
PRECIP AMOUNT 0.06 0.06 0.30
PRECIP DURATION 2 1 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 2470 420 2060
TRANSPORT WND (KTS) NE 12 NE 8 NE 12
VENT RATE (KT-FT) 29640 3360 24720
MAX ADI EARLY 1 VERY POOR 6 VERY POOR 1 VERY POOR
MAX ADI LATE 1 VERY POOR 10 POOR 1 VERY POOR
MAX LVORI EARLY 5 7 7
MAX LVORI LATE 5 7 7
MIN VSBY EARLY 8 8 5 FOG
MIN VSBY LATE 9 8 3 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 20 30 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. PATCHY FOG. LOWS IN
THE MID 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS AROUND 5 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 61 TO 66. HIGHS
AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTH WINDS 5 TO 10 MPH.
MAZ016-212000-
EASTERN NORFOLK MA-
INCLUDING THE CITY OF QUINCY
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 40 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (-14) 61 (-5) 71
RH % (24H TREND) 78 (+39) 100 (+3) 84
20FT WND AM(MPH) NE 7 NE 7
20FT WND PM(MPH) NE 9 NE 6 NE 6
PRECIP AMOUNT 0.10 0.08 0.32
PRECIP DURATION 3 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 2050 420 1960
TRANSPORT WND (KTS) NE 13 NE 9 NE 13
VENT RATE (KT-FT) 26650 3780 25480
MAX ADI EARLY 1 VERY POOR 7 POOR 1 VERY POOR
MAX ADI LATE 1 VERY POOR 10 POOR 1 VERY POOR
MAX LVORI EARLY 6 8 7
MAX LVORI LATE 6 8 7
MIN VSBY EARLY 6 FOG 8 5 FOG
MIN VSBY LATE 9 7 3 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 30 30 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. PATCHY FOG. LOWS IN
THE LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN
THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS AROUND 5 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 60 TO 65. HIGHS IN
THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
MAZ013-212000-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 40 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-14) 58 (-6) 72
RH % (24H TREND) 71 (+32) 100 (0) 87
20FT WND AM(MPH) NE 6 NE 5
20FT WND PM(MPH) NE 7 NE 5 NE 5
PRECIP AMOUNT 0.09 0.05 0.30
PRECIP DURATION 2 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 2760 420 2250
TRANSPORT WND (KTS) NE 13 NE 7 NE 11
VENT RATE (KT-FT) 35880 2940 24750
MAX ADI EARLY 1 VERY POOR 6 VERY POOR 1 VERY POOR
MAX ADI LATE 1 VERY POOR 7 POOR 1 VERY POOR
MAX LVORI EARLY 6 9 8
MAX LVORI LATE 6 9 8
MIN VSBY EARLY 5 FOG 8 5 FOG
MIN VSBY LATE 9 7 4 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 30 20 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. PATCHY FOG. LOWS
AROUND 60. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 57 TO 63. HIGHS
AROUND 80. WEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. SOUTHWEST WINDS
AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTH WINDS AROUND 5 MPH.
MAZ014-212000-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITY OF CAMBRIDGE
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 40 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-13) 59 (-6) 73
RH % (24H TREND) 69 (+31) 100 (+10) 84
20FT WND AM(MPH) NE 6 NE 6
20FT WND PM(MPH) NE 7 NE 5 NE 6
PRECIP AMOUNT 0.04 0.04 0.26
PRECIP DURATION 2 1 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 3140 420 2460
TRANSPORT WND (KTS) NE 12 NE 9 NE 12
VENT RATE (KT-FT) 37680 3780 29520
MAX ADI EARLY 1 VERY POOR 17 GEN POOR 1 VERY POOR
MAX ADI LATE 1 VERY POOR 7 POOR 1 VERY POOR
MAX LVORI EARLY 4 8 6
MAX LVORI LATE 4 8 6
MIN VSBY EARLY 9 9 5 FOG
MIN VSBY LATE 9 8 4 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 20 20 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. PATCHY FOG. LOWS IN
THE LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN
THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 59 TO 64. HIGHS IN
THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
MAZ007-212000-
EASTERN ESSEX MA-
INCLUDING THE CITY OF GLOUCESTER
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 40 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-11) 60 (-6) 70
RH % (24H TREND) 69 (+29) 100 (+7) 87
20FT WND AM(MPH) NE 8 NE 7
20FT WND PM(MPH) NE 8 NE 5 NE 7
PRECIP AMOUNT 0.03 0.05 0.29
PRECIP DURATION 2 1 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 2180 410 1910
TRANSPORT WND (KTS) NE 11 NE 7 NE 13
VENT RATE (KT-FT) 23980 2870 24830
MAX ADI EARLY 1 VERY POOR 9 POOR 1 VERY POOR
MAX ADI LATE 5 VERY POOR 11 POOR 1 VERY POOR
MAX LVORI EARLY 5 8 7
MAX LVORI LATE 5 8 7
MIN VSBY EARLY 9 9 5 FOG
MIN VSBY LATE 9 7 3 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 20 30 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. PATCHY FOG. LOWS IN
THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN
THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
AROUND 5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 65.
HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO
10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTH WINDS 5 TO 10 MPH.
MAZ006-212000-
WESTERN ESSEX MA-
INCLUDING THE CITY OF LAWRENCE
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-11) 58 (-6) 72
RH % (24H TREND) 64 (+27) 100 (+3) 81
20FT WND AM(MPH) NE 6 NE 5
20FT WND PM(MPH) NE 7 LGT/VAR NE 5
PRECIP AMOUNT 0.01 0.04 0.22
PRECIP DURATION 1 1 2
PRECIP BEGIN 6 AM 12 AM CONTINUING
PRECIP END 6 PM CONTINUING CONTINUING
MIXING HGT (FT-AGL) 3080 410 2230
TRANSPORT WND (KTS) NE 11 N 8 NE 12
VENT RATE (KT-FT) 33880 3280 26760
MAX ADI EARLY 11 POOR 19 GEN POOR 1 VERY POOR
MAX ADI LATE 36 FAIR 7 POOR 1 VERY POOR
MAX LVORI EARLY 4 9 7
MAX LVORI LATE 4 9 7
MIN VSBY EARLY 9 9 6 FOG
MIN VSBY LATE 9 7 4 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 20 30 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. PATCHY FOG. LOWS
AROUND 60. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AROUND
5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 57 TO 62. HIGHS IN
THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. SOUTHWEST WINDS
AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MAZ005-212000-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 30 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-11) 57 (-6) 73
RH % (24H TREND) 62 (+23) 100 (+3) 84
20FT WND AM(MPH) NE 5 LGT/VAR
20FT WND PM(MPH) NE 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.03 0.22
PRECIP DURATION 1 1 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 3570 420 2660
TRANSPORT WND (KTS) NE 11 N 8 NE 11
VENT RATE (KT-FT) 39270 3360 29260
MAX ADI EARLY 8 POOR 29 FAIR 1 VERY POOR
MAX ADI LATE 12 POOR 6 VERY POOR 1 VERY POOR
MAX LVORI EARLY 4 9 6
MAX LVORI LATE 4 9 6
MIN VSBY EARLY 8 9 5 FOG
MIN VSBY LATE 9 8 5 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 20 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. PATCHY FOG. LOWS
AROUND 60. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO
10 MPH.
MONDAY NIGHT
CLEAR. LOWS IN THE MID 50S. WEST WINDS 5 TO
10 MPH.
TUESDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S.
HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. SOUTHWEST WINDS
AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
MAZ012-212000-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD AND WORCESTER
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 30 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (-11) 57 (-5) 72
RH % (24H TREND) 69 (+28) 100 (0) 84
20FT WND AM(MPH) NE 6 NE 5
20FT WND PM(MPH) NE 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.04 0.03 0.29
PRECIP DURATION 2 1 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 3740 420 2520
TRANSPORT WND (KTS) NE 13 N 8 NE 10
VENT RATE (KT-FT) 48620 3360 25200
MAX ADI EARLY 1 VERY POOR 40 FAIR 1 VERY POOR
MAX ADI LATE 60 GEN GOOD 6 VERY POOR 1 VERY POOR
MAX LVORI EARLY 4 9 7
MAX LVORI LATE 4 9 7
MIN VSBY EARLY 7 9 5 FOG
MIN VSBY LATE 9 8 5 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 30 10 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND
60. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
CLEAR. LOWS IN THE MID 50S. WEST WINDS 5 TO
10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS IN THE UPPER 50S. WEST WINDS AROUND
5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. SOUTHWEST WINDS
AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS AROUND 5 MPH.
MAZ004-212000-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF BARRE AND FITCHBURG
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 30 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-7) 54 (-7) 72
RH % (24H TREND) 58 (+17) 100 (0) 76
20FT WND AM(MPH) NE 6 LGT/VAR
20FT WND PM(MPH) NE 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.02 0.18
PRECIP DURATION 1 1 2
PRECIP BEGIN 6 AM 12 AM CONTINUING
PRECIP END 6 PM CONTINUING CONTINUING
MIXING HGT (FT-AGL) 4530 410 3440
TRANSPORT WND (KTS) E 12 NE 7 E 10
VENT RATE (KT-FT) 54360 2870 34400
MAX ADI EARLY 43 GEN GOOD 34 FAIR 10 POOR
MAX ADI LATE 66 GOOD 5 VERY POOR 1 VERY POOR
MAX LVORI EARLY 3 9 6
MAX LVORI LATE 3 9 6
MIN VSBY EARLY 7 9 6 FOG
MIN VSBY LATE 9 9 7
SUNSHINE HOURS N/A N/A N/A
CWR 20 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 53 TO 59. HIGHS IN
THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS AROUND 5 MPH.
MAZ026-212000-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITY OF AYER
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 30 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (-7) 55 (-7) 73
RH % (24H TREND) 62 (+21) 100 (+7) 81
20FT WND AM(MPH) NE 5 LGT/VAR
20FT WND PM(MPH) NE 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.15
PRECIP DURATION 1 2
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 4480 410 3300
TRANSPORT WND (KTS) E 11 N 7 E 10
VENT RATE (KT-FT) 49280 2870 33000
MAX ADI EARLY 51 GEN GOOD 36 FAIR 15 GEN POOR
MAX ADI LATE 65 GOOD 4 VERY POOR 1 VERY POOR
MAX LVORI EARLY 1 8 6
MAX LVORI LATE 1 8 6
MIN VSBY EARLY 9 9 7
MIN VSBY LATE 9 8 7
SUNSHINE HOURS N/A N/A N/A
CWR 10 20 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. NORTHEAST WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT
AND VARIABLE.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
70S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
SUNNY. HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
CLEAR. LOWS IN THE MID 50S. WEST WINDS AROUND
5 MPH.
TUESDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTH WINDS AROUND 5 MPH.
MAZ002-212000-
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF CHARLEMONT
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-3) 52 (-5) 71
RH % (24H TREND) 55 (+4) 100 (0) 76
20FT WND AM(MPH) NE 5 LGT/VAR
20FT WND PM(MPH) NE 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.10
PRECIP DURATION 0 1
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 5430 420 3670
TRANSPORT WND (KTS) NE 8 NE 5 E 9
VENT RATE (KT-FT) 43440 2100 33030
MAX ADI EARLY 54 GEN GOOD 24 FAIR 31 FAIR
MAX ADI LATE 64 GOOD 4 VERY POOR 35 FAIR
MAX LVORI EARLY 1 7 3
MAX LVORI LATE 1 7 3
MIN VSBY EARLY 5 FOG 9 8
MIN VSBY LATE 9 9 8
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. EAST WINDS AROUND 5 MPH.
SUNDAY
SHOWERS. HIGHS IN THE LOWER 70S. EAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 50S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 50S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. SOUTH WINDS AROUND 5 MPH.
MAZ003-212000-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD AND ORANGE
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-5) 54 (-5) 72
RH % (24H TREND) 54 (+7) 100 (0) 73
20FT WND AM(MPH) N 5 LGT/VAR
20FT WND PM(MPH) NE 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.11
PRECIP DURATION 1 1
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 5650 390 4140
TRANSPORT WND (KTS) NE 9 NE 5 E 8
VENT RATE (KT-FT) 50850 1950 33120
MAX ADI EARLY 59 GEN GOOD 24 FAIR 26 FAIR
MAX ADI LATE 68 GOOD 4 VERY POOR 26 FAIR
MAX LVORI EARLY 1 9 4
MAX LVORI LATE 1 9 4
MIN VSBY EARLY 4 FOG 9 7
MIN VSBY LATE 9 9 7
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. EAST WINDS AROUND 5 MPH.
SUNDAY
SHOWERS. HIGHS IN THE LOWER 70S. EAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 54 TO 59. HIGHS IN
THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS AROUND 5 MPH.
MAZ008-212000-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITY OF CHESTERFIELD
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-3) 53 (-5) 71
RH % (24H TREND) 59 (+5) 100 (+3) 78
20FT WND AM(MPH) NE 6 LGT/VAR
20FT WND PM(MPH) NE 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.12
PRECIP DURATION 0 1
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 5000 420 3300
TRANSPORT WND (KTS) E 9 NE 6 E 8
VENT RATE (KT-FT) 45000 2520 26400
MAX ADI EARLY 56 GEN GOOD 35 FAIR 24 FAIR
MAX ADI LATE 66 GOOD 5 VERY POOR 18 GEN POOR
MAX LVORI EARLY 1 7 6
MAX LVORI LATE 1 7 6
MIN VSBY EARLY 7 9 8
MIN VSBY LATE 9 9 8
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. EAST WINDS AROUND 5 MPH.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 50S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. SOUTH WINDS AROUND 5 MPH.
MAZ010-212000-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-7) 56 (-4) 73
RH % (24H TREND) 60 (+11) 100 (0) 78
20FT WND AM(MPH) N 6 LGT/VAR
20FT WND PM(MPH) NE 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.14
PRECIP DURATION 1 1
PRECIP BEGIN 1 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 5000 410 3400
TRANSPORT WND (KTS) NE 11 NE 5 E 7
VENT RATE (KT-FT) 55000 2050 23800
MAX ADI EARLY 45 GEN GOOD 22 FAIR 19 GEN POOR
MAX ADI LATE 66 GOOD 5 VERY POOR 1 VERY POOR
MAX LVORI EARLY 2 9 6
MAX LVORI LATE 2 9 6
MIN VSBY EARLY 7 9 7
MIN VSBY LATE 9 9 7
SUNSHINE HOURS N/A N/A N/A
CWR 0 10 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND
60. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 54 TO 59. HIGHS IN
THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE UPPER 50S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTH WINDS 5 TO 10 MPH.
MAZ009-212000-
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF BLANDFORD
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 20 20 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (-6) 54 (-5) 71
RH % (24H TREND) 64 (+13) 100 (0) 79
20FT WND AM(MPH) NE 7 LGT/VAR
20FT WND PM(MPH) NE 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.15
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 4800 420 3310
TRANSPORT WND (KTS) NE 10 NE 6 E 7
VENT RATE (KT-FT) 48000 2520 23170
MAX ADI EARLY 52 GEN GOOD 36 FAIR 22 FAIR
MAX ADI LATE 65 GOOD 5 VERY POOR 20 GEN POOR
MAX LVORI EARLY 1 8 6
MAX LVORI LATE 1 8 6
MIN VSBY EARLY 8 9 7
MIN VSBY LATE 9 9 8
SUNSHINE HOURS N/A N/A N/A
CWR 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. EAST WINDS AROUND 5 MPH.
SUNDAY
SHOWERS. HIGHS IN THE LOWER 70S. EAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS AROUND 5 MPH.
MAZ011-212000-
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF SPRINGFIELD
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (-6) 57 (-4) 74
RH % (24H TREND) 62 (+14) 100 (0) 79
20FT WND AM(MPH) NE 6 LGT/VAR
20FT WND PM(MPH) NE 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.01 0.17
PRECIP DURATION 1 1 1
PRECIP BEGIN 6 AM 1 AM CONTINUING
PRECIP END 6 PM CONTINUING CONTINUING
MIXING HGT (FT-AGL) 4380 410 3280
TRANSPORT WND (KTS) NE 12 NE 6 E 7
VENT RATE (KT-FT) 52560 2460 22960
MAX ADI EARLY 35 FAIR 25 FAIR 15 GEN POOR
MAX ADI LATE 60 GEN GOOD 5 VERY POOR 1 VERY POOR
MAX LVORI EARLY 3 9 6
MAX LVORI LATE 3 9 6
MIN VSBY EARLY 7 9 7
MIN VSBY LATE 9 9 7
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND
60. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
CLEAR. LOWS IN THE MID 50S. WEST WINDS 5 TO
10 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
CLEAR. LOWS IN THE MID 50S. WEST WINDS AROUND
5 MPH.
WEDNESDAY
SUNNY. HIGHS AROUND 80. WEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE UPPER 50S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTH WINDS 5 TO 10 MPH.
CTZ002-212000-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 30 10 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (-6) 57 (-5) 74
RH % (24H TREND) 62 (+14) 100 (0) 79
20FT WND AM(MPH) N 7 LGT/VAR
20FT WND PM(MPH) NE 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.00 0.19
PRECIP DURATION 1 1
PRECIP BEGIN 6 AM 11 AM
PRECIP END 6 PM CONTINUING
MIXING HGT (FT-AGL) 4210 400 3170
TRANSPORT WND (KTS) NE 11 N 6 NE 6
VENT RATE (KT-FT) 46310 2400 19020
MAX ADI EARLY 37 FAIR 25 FAIR 10 POOR
MAX ADI LATE 62 GOOD 5 VERY POOR 15 GEN POOR
MAX LVORI EARLY 3 9 6
MAX LVORI LATE 3 9 6
MIN VSBY EARLY 5 FOG 9 7
MIN VSBY LATE 9 7 8
SUNSHINE HOURS N/A N/A N/A
CWR 20 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 55 TO 60. HIGHS IN
THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. SOUTH WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTH WINDS AROUND 5 MPH.
CTZ003-212000-
TOLLAND CT-
INCLUDING THE CITIES OF UNION AND VERNON
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-8) 57 (-4) 73
RH % (24H TREND) 66 (+18) 100 (0) 81
20FT WND AM(MPH) NE 6 LGT/VAR
20FT WND PM(MPH) NE 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.05 0.02 0.26
PRECIP DURATION 2 1 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 3760 410 2960
TRANSPORT WND (KTS) NE 13 NE 6 NE 6
VENT RATE (KT-FT) 48880 2460 17760
MAX ADI EARLY 32 FAIR 36 FAIR 1 VERY POOR
MAX ADI LATE 50 GEN GOOD 5 VERY POOR 3 VERY POOR
MAX LVORI EARLY 3 9 8
MAX LVORI LATE 3 9 8
MIN VSBY EARLY 6 FOG 9 7
MIN VSBY LATE 9 7 8
SUNSHINE HOURS N/A N/A N/A
CWR 20 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND
60. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 55 TO 60. HIGHS IN
THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. SOUTH WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS AROUND 5 MPH.
CTZ004-212000-
WINDHAM CT-
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 30 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (-11) 58 (-4) 72
RH % (24H TREND) 74 (+28) 100 (0) 87
20FT WND AM(MPH) NE 7 G18 LGT/VAR
20FT WND PM(MPH) NE 7 G17 NE 5 LGT/VAR
PRECIP AMOUNT 0.10 0.04 0.29
PRECIP DURATION 2 1 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 3300 440 2690
TRANSPORT WND (KTS) NE 13 N 8 NE 8
VENT RATE (KT-FT) 42900 3520 21520
MAX ADI EARLY 32 FAIR 37 FAIR 1 VERY POOR
MAX ADI LATE 36 FAIR 7 POOR 1 VERY POOR
MAX LVORI EARLY 4 9 8
MAX LVORI LATE 4 9 8
MIN VSBY EARLY 6 FOG 9 6 FOG
MIN VSBY LATE 9 7 6 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 40 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND
60. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
MONDAY NIGHT
CLEAR. LOWS IN THE MID 50S. WEST WINDS AROUND
5 MPH.
TUESDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS AROUND 5 MPH.
RIZ001-212000-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 30 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-12) 58 (-5) 71
RH % (24H TREND) 76 (+34) 100 (0) 90
20FT WND AM(MPH) NE 6 G17 N 5
20FT WND PM(MPH) NE 7 G17 NE 5 LGT/VAR
PRECIP AMOUNT 0.12 0.05 0.31
PRECIP DURATION 2 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 2650 440 2280
TRANSPORT WND (KTS) NE 14 N 8 NE 9
VENT RATE (KT-FT) 37100 3520 20520
MAX ADI EARLY 26 FAIR 29 FAIR 1 VERY POOR
MAX ADI LATE 34 FAIR 8 POOR 1 VERY POOR
MAX LVORI EARLY 5 9 8
MAX LVORI LATE 5 9 8
MIN VSBY EARLY 5 FOG 8 5 FOG
MIN VSBY LATE 9 8 4 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 40 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. PATCHY FOG.
LOWS IN THE LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 56 TO 62. HIGHS IN
THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS AROUND 5 MPH.
RIZ002-212000-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF PROVIDENCE
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 30 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-13) 60 (-5) 72
RH % (24H TREND) 79 (+37) 100 (+3) 90
20FT WND AM(MPH) NE 7 G17 N 5
20FT WND PM(MPH) NE 8 NE 6 LGT/VAR
PRECIP AMOUNT 0.15 0.04 0.29
PRECIP DURATION 4 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 2250 440 2150
TRANSPORT WND (KTS) NE 14 N 9 NE 11
VENT RATE (KT-FT) 31500 3960 23650
MAX ADI EARLY 25 FAIR 29 FAIR 1 VERY POOR
MAX ADI LATE 32 FAIR 9 POOR 1 VERY POOR
MAX LVORI EARLY 5 9 8
MAX LVORI LATE 5 9 8
MIN VSBY EARLY 5 FOG 8 5 FOG
MIN VSBY LATE 9 8 4 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 50 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. PATCHY FOG.
LOWS IN THE LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 58 TO 64. HIGHS IN
THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
RIZ003-212000-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 30 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (-13) 59 (-5) 71
RH % (24H TREND) 81 (+36) 100 (0) 90
20FT WND AM(MPH) NE 7 G19 N 5
20FT WND PM(MPH) NE 8 G17 NE 6 LGT/VAR
PRECIP AMOUNT 0.18 0.04 0.27
PRECIP DURATION 5 1 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 2250 460 2230
TRANSPORT WND (KTS) NE 15 NE 9 NE 10
VENT RATE (KT-FT) 33750 4140 22300
MAX ADI EARLY 21 FAIR 28 FAIR 1 VERY POOR
MAX ADI LATE 35 FAIR 9 POOR 1 VERY POOR
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 6 9 9
MIN VSBY EARLY 5 FOG 8 5 FOG
MIN VSBY LATE 9 7 5 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 50 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. PATCHY FOG. LOWS IN THE LOWER 60S.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN
THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS AROUND 5 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 57 TO 63. HIGHS IN
THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
RIZ004-212000-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 30 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-12) 61 (-5) 72
RH % (24H TREND) 79 (+34) 100 (+3) 87
20FT WND AM(MPH) NE 8 G17 N 6
20FT WND PM(MPH) NE 9 G17 N 7 N 5
PRECIP AMOUNT 0.20 0.04 0.27
PRECIP DURATION 5 2 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 2120 440 2090
TRANSPORT WND (KTS) NE 14 N 10 N 8
VENT RATE (KT-FT) 29680 4400 16720
MAX ADI EARLY 17 GEN POOR 28 FAIR 1 VERY POOR
MAX ADI LATE 31 FAIR 10 POOR 1 VERY POOR
MAX LVORI EARLY 6 8 7
MAX LVORI LATE 6 8 7
MIN VSBY EARLY 4 FOG 8 6 FOG
MIN VSBY LATE 9 7 4 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 60 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. PATCHY FOG. LOWS IN THE LOWER 60S.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING SOUTH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 59 TO 65. HIGHS IN
THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
RIZ005-212000-
BRISTOL RI-
INCLUDING THE CITY OF BRISTOL
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 30 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-12) 62 (-4) 73
RH % (24H TREND) 84 (+36) 100 (+3) 90
20FT WND AM(MPH) NE 8 G18 N 6
20FT WND PM(MPH) NE 9 G17 NE 7 N 5
PRECIP AMOUNT 0.24 0.04 0.29
PRECIP DURATION 6 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1980 430 2100
TRANSPORT WND (KTS) NE 14 N 10 NE 10
VENT RATE (KT-FT) 27720 4300 21000
MAX ADI EARLY 18 GEN POOR 19 GEN POOR 1 VERY POOR
MAX ADI LATE 1 VERY POOR 11 POOR 1 VERY POOR
MAX LVORI EARLY 7 8 9
MAX LVORI LATE 7 8 9
MIN VSBY EARLY 4 FOG 7 6 FOG
MIN VSBY LATE 8 7 4 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 60 30 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. PATCHY FOG.
LOWS IN THE MID 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING SOUTH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 61 TO 66. HIGHS IN
THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
RIZ006-212000-
WASHINGTON RI-
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 30 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-12) 60 (-5) 72
RH % (24H TREND) 81 (+32) 100 (0) 87
20FT WND AM(MPH) NE 10 G22 N 6
20FT WND PM(MPH) NE 9 G20 NE 7 LGT/VAR
PRECIP AMOUNT 0.38 0.03 0.24
PRECIP DURATION 6 1 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1990 420 2310
TRANSPORT WND (KTS) NE 15 NE 11 NE 7
VENT RATE (KT-FT) 29850 4620 16170
MAX ADI EARLY 15 GEN POOR 24 FAIR 23 FAIR
MAX ADI LATE 27 FAIR 11 POOR 18 GEN POOR
MAX LVORI EARLY 7 8 5
MAX LVORI LATE 7 8 5
MIN VSBY EARLY 4 FOG 7 5 FOG
MIN VSBY LATE 8 7 4 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 60 20 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. PATCHY FOG. LOWS IN THE LOWER 60S.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. SOUTHEAST WINDS 5 TO 10 MPH, BECOMING SOUTH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. LOWS 58 TO 64. HIGHS IN
THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY 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 FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 30 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (-11) 63 (-4) 73
RH % (24H TREND) 84 (+35) 100 (+3) 87
20FT WND AM(MPH) NE 11 G21 N 7
20FT WND PM(MPH) NE 10 G19 NE 8 N 6
PRECIP AMOUNT 0.45 0.04 0.29
PRECIP DURATION 7 2 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1820 460 2030
TRANSPORT WND (KTS) NE 15 N 11 N 8
VENT RATE (KT-FT) 27300 5060 16240
MAX ADI EARLY 1 VERY POOR 13 GEN POOR 20 GEN POOR
MAX ADI LATE 1 VERY POOR 11 POOR 18 GEN POOR
MAX LVORI EARLY 7 7 6
MAX LVORI LATE 7 7 6
MIN VSBY EARLY 3 FOG 7 5 FOG
MIN VSBY LATE 8 6 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 60 30 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. PATCHY FOG. LOWS IN THE MID 60S.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. WEST WINDS 10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
IN THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 10 TO 15 MPH.
RIZ008-212000-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 30 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (-7) 66 (-2) 72
RH % (24H TREND) 90 (+21) 100 (+3) 90
20FT WND AM(MPH) NE 17 N 9
20FT WND PM(MPH) NE 15 G22 NE 11 G18 NE 6
PRECIP AMOUNT 0.25 0.03 0.24
PRECIP DURATION 7 1 1
PRECIP BEGIN 6 AM CONTINUING 12 PM
PRECIP END CONTINUING 5 AM CONTINUING
MIXING HGT (FT-AGL) 1600 1110 1900
TRANSPORT WND (KTS) NE 22 NE 14 NE 10
VENT RATE (KT-FT) 35200 15540 19000
MAX ADI EARLY 1 VERY POOR 24 FAIR 20 GEN POOR
MAX ADI LATE 1 VERY POOR 22 FAIR 19 GEN POOR
MAX LVORI EARLY 7 5 4
MAX LVORI LATE 7 5 4
MIN VSBY EARLY 3 FOG 7 4 FOG
MIN VSBY LATE 8 7 5 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 60 20 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. PATCHY FOG. LOWS IN THE UPPER 60S.
EAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE MID 70S.
SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER
60S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 70. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
MAZ017-212000-
NORTHERN BRISTOL MA-
INCLUDING THE CITY OF TAUNTON
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 40 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (-14) 60 (-4) 73
RH % (24H TREND) 79 (+37) 100 (+3) 90
20FT WND AM(MPH) NE 6 NE 5
20FT WND PM(MPH) NE 7 NE 5 LGT/VAR
PRECIP AMOUNT 0.16 0.05 0.30
PRECIP DURATION 4 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 2180 440 2110
TRANSPORT WND (KTS) NE 13 NE 10 N 9
VENT RATE (KT-FT) 28340 4400 18990
MAX ADI EARLY 24 FAIR 25 FAIR 1 VERY POOR
MAX ADI LATE 29 FAIR 8 POOR 1 VERY POOR
MAX LVORI EARLY 5 9 9
MAX LVORI LATE 5 9 9
MIN VSBY EARLY 5 FOG 7 6 FOG
MIN VSBY LATE 8 6 FOG 4 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 50 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. PATCHY FOG. LOWS IN
THE LOWER 60S. NORTH WINDS AROUND 5 MPH IN THE EVENING, BECOMING
LIGHT AND VARIABLE.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS AROUND 5 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 56 TO 63. HIGHS
AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTH WINDS 5 TO 10 MPH.
MAZ018-212000-
WESTERN PLYMOUTH MA-
INCLUDING THE CITY OF BROCKTON
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 40 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (-14) 60 (-5) 72
RH % (24H TREND) 79 (+39) 100 (0) 90
20FT WND AM(MPH) NE 6 NE 5
20FT WND PM(MPH) NE 7 NE 5 N 5
PRECIP AMOUNT 0.19 0.09 0.34
PRECIP DURATION 5 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1950 420 1940
TRANSPORT WND (KTS) NE 14 NE 10 NE 11
VENT RATE (KT-FT) 27300 4200 21340
MAX ADI EARLY 2 VERY POOR 8 POOR 1 VERY POOR
MAX ADI LATE 1 VERY POOR 8 POOR 1 VERY POOR
MAX LVORI EARLY 6 9 9
MAX LVORI LATE 6 9 9
MIN VSBY EARLY 4 FOG 6 FOG 5 FOG
MIN VSBY LATE 8 5 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 50 20 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. PATCHY FOG. LOWS IN
THE LOWER 60S. NORTH WINDS AROUND 5 MPH IN THE EVENING, BECOMING
LIGHT AND VARIABLE.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS AROUND 5 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS 57 TO 64. HIGHS
AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. SOUTH WINDS 5 TO 10 MPH.
MAZ019-212000-
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF PLYMOUTH
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 40 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 70 (-13) 61 (-5) 71
RH % (24H TREND) 78 (+32) 100 (0) 84
20FT WND AM(MPH) NE 8 G17 NE 8
20FT WND PM(MPH) NE 9 NE 7 NE 6
PRECIP AMOUNT 0.20 0.11 0.38
PRECIP DURATION 5 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1580 480 1690
TRANSPORT WND (KTS) NE 14 NE 11 NE 12
VENT RATE (KT-FT) 22120 5280 20280
MAX ADI EARLY 1 VERY POOR 9 POOR 1 VERY POOR
MAX ADI LATE 1 VERY POOR 12 POOR 1 VERY POOR
MAX LVORI EARLY 7 8 9
MAX LVORI LATE 7 8 9
MIN VSBY EARLY 4 FOG 6 FOG 5 FOG
MIN VSBY LATE 7 5 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 50 30 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. PATCHY FOG. LOWS IN
THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 66. HIGHS IN
THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS AROUND 60.
HIGHS AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
MAZ020-212000-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 40 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (-13) 61 (-6) 73
RH % (24H TREND) 84 (+39) 100 (+3) 87
20FT WND AM(MPH) NE 9 G21 N 7
20FT WND PM(MPH) NE 9 G19 NE 7 N 5
PRECIP AMOUNT 0.38 0.07 0.33
PRECIP DURATION 7 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1870 420 2050
TRANSPORT WND (KTS) NE 15 N 11 N 8
VENT RATE (KT-FT) 28050 4620 16400
MAX ADI EARLY 21 FAIR 25 FAIR 1 VERY POOR
MAX ADI LATE 27 FAIR 10 POOR 1 VERY POOR
MAX LVORI EARLY 7 8 8
MAX LVORI LATE 7 8 8
MIN VSBY EARLY 3 FOG 6 FOG 5 FOG
MIN VSBY LATE 7 5 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 60 30 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. PATCHY FOG. LOWS IN THE LOWER 60S.
NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 66. HIGHS IN
THE UPPER 70S. WEST WINDS 10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 10 TO 15 MPH.
MAZ021-212000-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF MATTAPOISETT
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 40 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 72 (-13) 61 (-5) 73
RH % (24H TREND) 87 (+41) 100 (+3) 90
20FT WND AM(MPH) NE 8 G20 NE 6
20FT WND PM(MPH) NE 9 G18 NE 6 N 5
PRECIP AMOUNT 0.37 0.10 0.34
PRECIP DURATION 7 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1740 430 1780
TRANSPORT WND (KTS) NE 14 NE 10 NE 10
VENT RATE (KT-FT) 24360 4300 17800
MAX ADI EARLY 24 FAIR 25 FAIR 1 VERY POOR
MAX ADI LATE 28 FAIR 10 POOR 1 VERY POOR
MAX LVORI EARLY 6 8 8
MAX LVORI LATE 6 8 8
MIN VSBY EARLY 3 FOG 5 FOG 5 FOG
MIN VSBY LATE 7 5 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 60 30 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. PATCHY FOG. LOWS IN THE MID 60S. NORTH
WINDS AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. LOWS 60 TO 67. HIGHS
AROUND 80. WEST WINDS 10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
MAZ022-212000-
BARNSTABLE MA-
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 40 40
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 71 (-12) 64 (-3) 72
RH % (24H TREND) 87 (+34) 100 (0) 93
20FT WND AM(MPH) NE 9 G18 NE 7
20FT WND PM(MPH) NE 10 G17 NE 8 NE 6
PRECIP AMOUNT 0.42 0.14 0.30
PRECIP DURATION 7 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1670 730 1600
TRANSPORT WND (KTS) NE 15 NE 14 NE 10
VENT RATE (KT-FT) 25050 10220 16000
MAX ADI EARLY 21 FAIR 26 FAIR 1 VERY POOR
MAX ADI LATE 26 FAIR 14 GEN POOR 1 VERY POOR
MAX LVORI EARLY 8 6 9
MAX LVORI LATE 8 6 9
MIN VSBY EARLY 3 FOG 3 FOG 4 FOG
MIN VSBY LATE 4 FOG 4 FOG 4 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 70 30 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. PATCHY FOG. LOWS IN THE MID 60S.
SOUTHWEST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. LOWS 64 TO 69. HIGHS IN
THE UPPER 70S. WEST WINDS 10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 10 TO
15 MPH.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S.
SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
MAZ023-212000-
DUKES MA-
INCLUDING THE CITY OF VINEYARD HAVEN
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 40 30
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 72 (-8) 64 (-4) 73
RH % (24H TREND) 84 (+25) 100 (0) 90
20FT WND AM(MPH) NE 14 G22 NE 8
20FT WND PM(MPH) NE 13 G21 NE 11 G19 N 6
PRECIP AMOUNT 0.38 0.12 0.25
PRECIP DURATION 9 2 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 2010 1100 1800
TRANSPORT WND (KTS) NE 19 NE 15 N 8
VENT RATE (KT-FT) 38190 16500 14400
MAX ADI EARLY 1 VERY POOR 25 FAIR 21 FAIR
MAX ADI LATE 1 VERY POOR 22 FAIR 18 GEN POOR
MAX LVORI EARLY 7 5 5
MAX LVORI LATE 7 5 5
MIN VSBY EARLY 3 FOG 2 FOG 3 FOG
MIN VSBY LATE 4 FOG 3 FOG 4 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 70 40 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. PATCHY FOG. LOWS IN THE UPPER 60S.
SOUTH WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
HIGHS IN THE UPPER 70S. WEST WINDS 10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S.
SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 10 TO 15 MPH.
MAZ024-212000-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
408 AM EDT FRI AUG 21 2026
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 40 30
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 72 (-7) 64 (-5) 72
RH % (24H TREND) 87 (+11) 100 (0) 93
20FT WND AM(MPH) NE 14 NE 9
20FT WND PM(MPH) NE 15 NE 13 G19 S 7
PRECIP AMOUNT 0.23 0.12 0.15
PRECIP DURATION 9 2 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 1400 830 1310
TRANSPORT WND (KTS) E 19 E 16 W 8
VENT RATE (KT-FT) 26600 13280 10480
MAX ADI EARLY 18 GEN POOR 19 GEN POOR 17 GEN POOR
MAX ADI LATE 1 VERY POOR 17 GEN POOR 14 GEN POOR
MAX LVORI EARLY 7 5 5
MAX LVORI LATE 7 5 5
MIN VSBY EARLY 2 FOG 2 FOG 4 FOG
MIN VSBY LATE 3 FOG 4 FOG 5 FOG
SUNSHINE HOURS N/A N/A N/A
CWR 70 30 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY NIGHT
SHOWERS. PATCHY FOG. LOWS IN THE UPPER 60S.
SOUTH WINDS AROUND 5 MPH.
SUNDAY
SHOWERS. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID 70S.
SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. WEST WINDS
10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER
60S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S.
SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 10 TO 15 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION ABOVE NORMAL.
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