581
FNUS51 KBOX 170810
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
409 AM EDT MON AUG 17 2026
DISCUSSION
RATHER CLOUDY AND HUMID ON MONDAY WITH SCATTERED SHOWERS
ESPECIALLY IN THE MORNING, BUT NOT A WASHOUT. HIGHS WILL BE IN
THE 70S WITH MINIMUM RELATIVE HUMIDITY VALUES ONLY DROPPING TO
BETWEEN 75 AND 85 PERCENT. SOUTHERLY WINDS 5 TO 15 MPH...BUT
WINDS MAY BECOME LIGHT NORTHERLY ACROSS THE DISTANCE INTERIOR.
OUTLOOK...TUESDAY THROUGH FRIDAY
A FEW SPOT SHOWERS MAY LINGER TUESDAY, BUT MUCH OF THE DAY WILL
BE DRY. OTHERWISE...MUCH OF THIS WORK WEEK WILL FEATURE MAINLY
DRY WEATHER WITH SEASONABLE TEMPERATURES. THE BEST CHANCE OF A
FEW SHOWERS/THUNDERSTORMS WILL BE ON THURSDAY.
MAZ015-172000-
SUFFOLK MA-
INCLUDING THE CITY OF BOSTON
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 40 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-4) 66 (+1) 82
RH % (24H TREND) 76 (+27) 100 (+4) 69
20FT WND AM(MPH) S 6 LGT/VAR
20FT WND PM(MPH) SE 6 LGT/VAR NE 5
PRECIP AMOUNT 0.13 0.03 0.00
PRECIP DURATION 3 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT (FT-AGL) 1860 420 3040
TRANSPORT WND (KTS) S 11 NE 6 N 8
VENT RATE (KT-FT) 20460 2520 24320
MAX ADI EARLY 20 GEN POOR 11 POOR 20 GEN POOR
MAX ADI LATE 17 GEN POOR 5 VERY POOR 21 FAIR
MAX LVORI EARLY 5 9 4
MAX LVORI LATE 5 9 4
MIN VSBY EARLY 4 FOG 1 FOG 4 FOG
MIN VSBY LATE 3 FOG 3 FOG 8
SUNSHINE HOURS N/A N/A N/A
CWR 50 30 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. WEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. NORTHWEST WINDS AROUND 5 MPH, BECOMING EAST IN THE
AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTH WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER
MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. EAST WINDS
5 TO 10 MPH.
MAZ016-172000-
EASTERN NORFOLK MA-
INCLUDING THE CITY OF QUINCY
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 60 40 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (-5) 65 (+2) 81
RH % (24H TREND) 76 (+27) 100 (0) 69
20FT WND AM(MPH) S 6 LGT/VAR
20FT WND PM(MPH) SE 6 LGT/VAR NE 5
PRECIP AMOUNT 0.15 0.04 0.00
PRECIP DURATION 4 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT (FT-AGL) 1890 420 3000
TRANSPORT WND (KTS) S 10 NE 6 N 8
VENT RATE (KT-FT) 18900 2520 24000
MAX ADI EARLY 23 FAIR 11 POOR 20 GEN POOR
MAX ADI LATE 21 FAIR 5 VERY POOR 25 FAIR
MAX LVORI EARLY 4 9 3
MAX LVORI LATE 4 9 3
MIN VSBY EARLY 4 FOG 1 FOG 3 FOG
MIN VSBY LATE 3 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 50 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID
60S. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. NORTHWEST WINDS AROUND 5 MPH, BECOMING NORTHEAST IN THE
AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTH WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER
MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHEAST
WINDS 5 TO 10 MPH.
MAZ013-172000-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 30 20
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 75 (-7) 64 (+2) 82
RH % (24H TREND) 79 (+32) 100 (0) 67
20FT WND AM(MPH) S 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.14 0.03 0.00
PRECIP DURATION 4 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 1830 420 4110
TRANSPORT WND (KTS) S 12 N 6 N 8
VENT RATE (KT-FT) 21960 2520 32880
MAX ADI EARLY 25 FAIR 12 POOR 24 FAIR
MAX ADI LATE 23 FAIR 4 VERY POOR 40 FAIR
MAX LVORI EARLY 5 9 3
MAX LVORI LATE 5 9 3
MIN VSBY EARLY 4 FOG 1 FOG 3 FOG
MIN VSBY LATE 2 FOG 3 FOG 8
SUNSHINE HOURS N/A N/A N/A
CWR 50 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. WEST WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER
MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHEAST
WINDS AROUND 5 MPH.
MAZ014-172000-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITY OF CAMBRIDGE
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 30 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-6) 65 (+1) 82
RH % (24H TREND) 76 (+27) 100 (0) 69
20FT WND AM(MPH) S 5 LGT/VAR
20FT WND PM(MPH) SE 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.12 0.02 0.00
PRECIP DURATION 3 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT (FT-AGL) 1830 430 3560
TRANSPORT WND (KTS) S 11 N 6 N 8
VENT RATE (KT-FT) 20130 2580 28480
MAX ADI EARLY 23 FAIR 12 POOR 22 FAIR
MAX ADI LATE 21 FAIR 4 VERY POOR 31 FAIR
MAX LVORI EARLY 4 9 3
MAX LVORI LATE 4 9 3
MIN VSBY EARLY 3 FOG 1 FOG 4 FOG
MIN VSBY LATE 3 FOG 3 FOG 8
SUNSHINE HOURS N/A N/A N/A
CWR 40 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID
60S. HIGHS IN THE UPPER 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. NORTHWEST WINDS AROUND 5 MPH, BECOMING SOUTHWEST IN THE
AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. EAST
WINDS AROUND 5 MPH.
MAZ007-172000-
EASTERN ESSEX MA-
INCLUDING THE CITY OF GLOUCESTER
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 60 40 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-2) 65 (+2) 80
RH % (24H TREND) 76 (+22) 100 (0) 72
20FT WND AM(MPH) S 7 LGT/VAR
20FT WND PM(MPH) SE 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.18 0.06 0.00
PRECIP DURATION 3 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT (FT-AGL) 1670 420 2360
TRANSPORT WND (KTS) S 13 E 6 N 9
VENT RATE (KT-FT) 21710 2520 21240
MAX ADI EARLY 23 FAIR 12 POOR 19 GEN POOR
MAX ADI LATE 22 FAIR 5 VERY POOR 23 FAIR
MAX LVORI EARLY 5 9 4
MAX LVORI LATE 5 9 4
MIN VSBY EARLY 4 FOG 1 FOG 3 FOG
MIN VSBY LATE 2 FOG 2 FOG 8
SUNSHINE HOURS N/A N/A N/A
CWR 40 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE UPPER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. EAST
WINDS 5 TO 10 MPH.
MAZ006-172000-
WESTERN ESSEX MA-
INCLUDING THE CITY OF LAWRENCE
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 30 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-5) 63 (+1) 81
RH % (24H TREND) 79 (+29) 100 (0) 69
20FT WND AM(MPH) S 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.11 0.03 0.00
PRECIP DURATION 3 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT (FT-AGL) 1860 420 3510
TRANSPORT WND (KTS) S 9 NE 5 N 8
VENT RATE (KT-FT) 16740 2100 28080
MAX ADI EARLY 24 FAIR 12 POOR 22 FAIR
MAX ADI LATE 22 FAIR 4 VERY POOR 27 FAIR
MAX LVORI EARLY 4 10 4
MAX LVORI LATE 4 10 4
MIN VSBY EARLY 4 FOG 1 FOG 4 FOG
MIN VSBY LATE 2 FOG 2 FOG 8
SUNSHINE HOURS N/A N/A N/A
CWR 30 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. WEST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH, BECOMING SOUTHWEST
AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. EAST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. HIGHS
IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 60. HIGHS IN THE UPPER 70S. EAST WINDS
AROUND 5 MPH.
MAZ005-172000-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 30 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-6) 64 (+2) 83
RH % (24H TREND) 79 (+32) 100 (0) 67
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.08 0.01 0.00
PRECIP DURATION 3 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT (FT-AGL) 1790 430 4270
TRANSPORT WND (KTS) S 10 N 5 N 7
VENT RATE (KT-FT) 17900 2150 29890
MAX ADI EARLY 23 FAIR 12 POOR 31 FAIR
MAX ADI LATE 20 GEN POOR 4 VERY POOR 38 FAIR
MAX LVORI EARLY 4 9 3
MAX LVORI LATE 4 9 3
MIN VSBY EARLY 3 FOG 1 FOG 4 FOG
MIN VSBY LATE 2 FOG 2 FOG 8
SUNSHINE HOURS N/A N/A N/A
CWR 30 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID
60S. HIGHS IN THE UPPER 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. HIGHS
IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS AROUND 60. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. EAST WINDS AROUND 5 MPH.
MAZ012-172000-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD AND WORCESTER
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 60 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-6) 64 (+3) 83
RH % (24H TREND) 82 (+31) 100 (0) 65
20FT WND AM(MPH) S 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.08 0.00 0.01
PRECIP DURATION 4 0
PRECIP BEGIN 6 AM 2 PM
PRECIP END 6 PM 6 PM
MIXING HGT (FT-AGL) 1630 400 4500
TRANSPORT WND (KTS) S 11 NE 6 NW 6
VENT RATE (KT-FT) 17930 2400 27000
MAX ADI EARLY 20 GEN POOR 13 GEN POOR 33 FAIR
MAX ADI LATE 19 GEN POOR 4 VERY POOR 38 FAIR
MAX LVORI EARLY 5 9 3
MAX LVORI LATE 5 9 3
MIN VSBY EARLY 3 FOG 1 FOG 3 FOG
MIN VSBY LATE 2 FOG 1 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 40 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST
AROUND 5 MPH IN THE AFTERNOON.
MAZ004-172000-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF BARRE AND FITCHBURG
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 60 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-3) 62 (+2) 82
RH % (24H TREND) 82 (+33) 100 (0) 58
20FT WND AM(MPH) S 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.06 0.00 0.01
PRECIP DURATION 3 0
PRECIP BEGIN 6 AM 2 PM
PRECIP END 6 PM 6 PM
MIXING HGT (FT-AGL) 1610 420 4730
TRANSPORT WND (KTS) E 6 N 5 NW 6
VENT RATE (KT-FT) 9660 2100 28380
MAX ADI EARLY 18 GEN POOR 10 POOR 31 FAIR
MAX ADI LATE 18 GEN POOR 3 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 5 10 3
MAX LVORI LATE 5 10 3
MIN VSBY EARLY 4 FOG 1 FOG 4 FOG
MIN VSBY LATE 2 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 30 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. WEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS AROUND 80. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. EAST
WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
MAZ026-172000-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITY OF AYER
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 20 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-5) 62 (+2) 83
RH % (24H TREND) 82 (+33) 100 (0) 67
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.07 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 1820 430 4410
TRANSPORT WND (KTS) SE 6 N 5 NW 7
VENT RATE (KT-FT) 10920 2150 30870
MAX ADI EARLY 19 GEN POOR 9 POOR 35 FAIR
MAX ADI LATE 20 GEN POOR 4 VERY POOR 41 GEN GOOD
MAX LVORI EARLY 5 10 3
MAX LVORI LATE 5 10 3
MIN VSBY EARLY 4 FOG 1 FOG 4 FOG
MIN VSBY LATE 2 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. LIGHT AND
VARIABLE WIND.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. WEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS AROUND
5 MPH, BECOMING EAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. NORTHEAST
WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST
AROUND 5 MPH IN THE AFTERNOON.
MAZ002-172000-
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF CHARLEMONT
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 50 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (0) 61 (+3) 81
RH % (24H TREND) 79 (+20) 100 (0) 58
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 2110 430 5130
TRANSPORT WND (KTS) E 4 N 6 NW 7
VENT RATE (KT-FT) 8440 2580 35910
MAX ADI EARLY 15 GEN POOR 9 POOR 29 FAIR
MAX ADI LATE 15 GEN POOR 4 VERY POOR 58 GEN GOOD
MAX LVORI EARLY 5 9 3
MAX LVORI LATE 5 9 3
MIN VSBY EARLY 3 FOG 3 FOG 4 FOG
MIN VSBY LATE 6 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. EAST WINDS
AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE MID 70S.
EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
MAZ003-172000-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD AND ORANGE
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 78 (-2) 64 (+4) 84
RH % (24H TREND) 76 (+22) 100 (0) 57
20FT WND AM(MPH) S 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.00 0.01
PRECIP DURATION 3 0
PRECIP BEGIN 6 AM 2 PM
PRECIP END 6 PM 6 PM
MIXING HGT (FT-AGL) 2190 410 5310
TRANSPORT WND (KTS) SE 4 E 3 NW 7
VENT RATE (KT-FT) 8760 1230 37170
MAX ADI EARLY 16 GEN POOR 10 POOR 35 FAIR
MAX ADI LATE 15 GEN POOR 3 VERY POOR 63 GOOD
MAX LVORI EARLY 5 10 3
MAX LVORI LATE 5 10 3
MIN VSBY EARLY 3 FOG 3 FOG 3 FOG
MIN VSBY LATE 5 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. WEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. EAST
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.
MAZ008-172000-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITY OF CHESTERFIELD
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 60 20 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (0) 61 (+3) 81
RH % (24H TREND) 79 (+17) 100 (0) 59
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 2040 410 5120
TRANSPORT WND (KTS) NE 4 NE 3 NW 7
VENT RATE (KT-FT) 8160 1230 35840
MAX ADI EARLY 13 GEN POOR 10 POOR 35 FAIR
MAX ADI LATE 12 POOR 4 VERY POOR 59 GEN GOOD
MAX LVORI EARLY 5 9 3
MAX LVORI LATE 5 9 3
MIN VSBY EARLY 1 FOG 3 FOG 4 FOG
MIN VSBY LATE 5 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 30 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST
WINDS AROUND 5 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH, BECOMING EAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. EAST WINDS
AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE MID 70S.
EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
MAZ010-172000-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 60 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 79 (-2) 64 (+3) 85
RH % (24H TREND) 76 (+22) 100 (0) 55
20FT WND AM(MPH) S 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.04 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 2120 410 5250
TRANSPORT WND (KTS) NE 5 NE 4 NW 8
VENT RATE (KT-FT) 10600 1640 42000
MAX ADI EARLY 13 GEN POOR 11 POOR 33 FAIR
MAX ADI LATE 13 GEN POOR 3 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 6 10 3
MAX LVORI LATE 6 10 3
MIN VSBY EARLY 4 FOG 3 FOG 4 FOG
MIN VSBY LATE 5 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 40 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. WEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. EAST
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.
MAZ009-172000-
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF BLANDFORD
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 60 20 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (0) 63 (+3) 83
RH % (24H TREND) 79 (+17) 100 (0) 58
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 2070 400 5760
TRANSPORT WND (KTS) NE 5 NE 3 NW 9
VENT RATE (KT-FT) 10350 1200 51840
MAX ADI EARLY 13 GEN POOR 12 POOR 35 FAIR
MAX ADI LATE 14 GEN POOR 3 VERY POOR 70 GOOD
MAX LVORI EARLY 5 10 3
MAX LVORI LATE 5 10 3
MIN VSBY EARLY 2 FOG 3 FOG 5 FOG
MIN VSBY LATE 4 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 30 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. WEST WINDS
AROUND 5 MPH.
THURSDAY AND THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE UPPER 50S. HIGHS AROUND 80. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTH WINDS
AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. EAST WINDS
AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE MID 70S.
EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
MAZ011-172000-
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF SPRINGFIELD
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 60 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 79 (-1) 64 (+3) 85
RH % (24H TREND) 74 (+22) 100 (0) 53
20FT WND AM(MPH) SE 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.08 0.00 0.00
PRECIP DURATION 3
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 2150 400 5470
TRANSPORT WND (KTS) NE 5 N 4 NW 9
VENT RATE (KT-FT) 10750 1600 49230
MAX ADI EARLY 13 GEN POOR 13 GEN POOR 32 FAIR
MAX ADI LATE 15 GEN POOR 3 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 6 10 3
MAX LVORI LATE 6 10 3
MIN VSBY EARLY 4 FOG 2 FOG 4 FOG
MIN VSBY LATE 4 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 40 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. WEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S.
HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. EAST
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.
CTZ002-172000-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 60 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 78 (-2) 65 (+3) 86
RH % (24H TREND) 76 (+24) 100 (0) 55
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.06 0.00 0.00
PRECIP DURATION 4
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 2130 380 5910
TRANSPORT WND (KTS) N 6 N 4 NW 9
VENT RATE (KT-FT) 12780 1520 53190
MAX ADI EARLY 14 GEN POOR 16 GEN POOR 33 FAIR
MAX ADI LATE 20 GEN POOR 3 VERY POOR 69 GOOD
MAX LVORI EARLY 5 10 3
MAX LVORI LATE 5 10 3
MIN VSBY EARLY 3 FOG 3 FOG 6 FOG
MIN VSBY LATE 4 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 50 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. WEST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER
MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS AROUND 60. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND
5 MPH IN THE AFTERNOON.
CTZ003-172000-
TOLLAND CT-
INCLUDING THE CITIES OF UNION AND VERNON
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 60 10 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (-2) 64 (+3) 84
RH % (24H TREND) 79 (+23) 100 (0) 57
20FT WND AM(MPH) SE 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.07 0.00 0.00
PRECIP DURATION 4
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 1680 390 5250
TRANSPORT WND (KTS) NE 7 N 5 NW 8
VENT RATE (KT-FT) 11760 1950 42000
MAX ADI EARLY 21 FAIR 15 GEN POOR 28 FAIR
MAX ADI LATE 17 GEN POOR 3 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 5 10 3
MAX LVORI LATE 5 10 3
MIN VSBY EARLY 3 FOG 2 FOG 3 FOG
MIN VSBY LATE 4 FOG 1 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 50 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST
AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. EAST
WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH
IN THE AFTERNOON.
CTZ004-172000-
WINDHAM CT-
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 60 10 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-4) 64 (+3) 84
RH % (24H TREND) 84 (+28) 100 (0) 65
20FT WND AM(MPH) SE 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.08 0.00 0.01
PRECIP DURATION 5 0
PRECIP BEGIN 6 AM 3 PM
PRECIP END 6 PM 6 PM
MIXING HGT (FT-AGL) 1640 440 4750
TRANSPORT WND (KTS) S 13 N 6 NW 6
VENT RATE (KT-FT) 21320 2640 28500
MAX ADI EARLY 24 FAIR 14 GEN POOR 29 FAIR
MAX ADI LATE 18 GEN POOR 4 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 6 9 3
MAX LVORI LATE 6 9 3
MIN VSBY EARLY 3 FOG 2 FOG 2 FOG
MIN VSBY LATE 3 FOG 1 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 50 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. WEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST
AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF
SHOWERS. LOWS AROUND 60. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH
IN THE AFTERNOON.
RIZ001-172000-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-5) 64 (+3) 83
RH % (24H TREND) 82 (+28) 100 (0) 67
20FT WND AM(MPH) S 5 LGT/VAR
20FT WND PM(MPH) E 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.11 0.00 0.01
PRECIP DURATION 6 0
PRECIP BEGIN 6 AM 3 PM
PRECIP END 6 PM 6 PM
MIXING HGT (FT-AGL) 1780 390 4360
TRANSPORT WND (KTS) S 13 N 6 NW 6
VENT RATE (KT-FT) 23140 2340 26160
MAX ADI EARLY 26 FAIR 13 GEN POOR 36 FAIR
MAX ADI LATE 21 FAIR 4 VERY POOR 39 FAIR
MAX LVORI EARLY 5 9 3
MAX LVORI LATE 5 9 3
MIN VSBY EARLY 3 FOG 1 FOG 3 FOG
MIN VSBY LATE 2 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 50 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. WEST WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER
MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER
MIDNIGHT.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 60. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS
AROUND 5 MPH.
RIZ002-172000-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF PROVIDENCE
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 20 20
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 76 (-5) 66 (+2) 84
RH % (24H TREND) 82 (+28) 100 (+4) 67
20FT WND AM(MPH) S 6 LGT/VAR
20FT WND PM(MPH) SE 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.21 0.01 0.01
PRECIP DURATION 5 0 0
PRECIP BEGIN 6 AM CONTINUING 3 PM
PRECIP END CONTINUING 10 PM 6 PM
MIXING HGT (FT-AGL) 1920 460 4370
TRANSPORT WND (KTS) S 14 N 8 NW 7
VENT RATE (KT-FT) 26880 3680 30590
MAX ADI EARLY 30 FAIR 12 POOR 37 FAIR
MAX ADI LATE 24 FAIR 5 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 5 9 3
MAX LVORI LATE 5 9 3
MIN VSBY EARLY 3 FOG 1 FOG 4 FOG
MIN VSBY LATE 1 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 60 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. WEST WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER
MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHEAST
WINDS AROUND 5 MPH.
RIZ003-172000-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 70 20 20
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (-5) 65 (+3) 82
RH % (24H TREND) 84 (+27) 100 (0) 70
20FT WND AM(MPH) S 6 LGT/VAR
20FT WND PM(MPH) E 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.18 0.00 0.01
PRECIP DURATION 6 0
PRECIP BEGIN 6 AM 4 PM
PRECIP END 6 PM 6 PM
MIXING HGT (FT-AGL) 1640 450 4260
TRANSPORT WND (KTS) S 13 N 8 NW 6
VENT RATE (KT-FT) 21320 3600 25560
MAX ADI EARLY 26 FAIR 12 POOR 36 FAIR
MAX ADI LATE 20 GEN POOR 4 VERY POOR 39 FAIR
MAX LVORI EARLY 5 9 3
MAX LVORI LATE 5 9 3
MIN VSBY EARLY 3 FOG 1 FOG 4 FOG
MIN VSBY LATE 1 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 60 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. WEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. WEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 80. NORTHEAST WINDS AROUND
5 MPH, BECOMING EAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. EAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER
MIDNIGHT.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S. SOUTH WINDS
AROUND 5 MPH.
RIZ004-172000-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 20 20
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 75 (-5) 66 (+2) 83
RH % (24H TREND) 81 (+27) 100 (0) 67
20FT WND AM(MPH) S 8 LGT/VAR
20FT WND PM(MPH) SE 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.32 0.01 0.01
PRECIP DURATION 5 0 0
PRECIP BEGIN 6 AM CONTINUING 4 PM
PRECIP END CONTINUING 8 PM CONTINUING
MIXING HGT (FT-AGL) 1830 460 4130
TRANSPORT WND (KTS) S 14 N 9 NW 7
VENT RATE (KT-FT) 25620 4140 28910
MAX ADI EARLY 29 FAIR 12 POOR 36 FAIR
MAX ADI LATE 24 FAIR 6 VERY POOR 39 FAIR
MAX LVORI EARLY 6 9 3
MAX LVORI LATE 6 9 3
MIN VSBY EARLY 3 FOG 1 FOG 4 FOG
MIN VSBY LATE 1 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 60 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. WEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING WEST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 80. NORTHEAST WINDS AROUND
5 MPH, BECOMING EAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTH
WINDS AROUND 5 MPH.
RIZ005-172000-
BRISTOL RI-
INCLUDING THE CITY OF BRISTOL
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 30 20
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 75 (-5) 67 (+2) 83
RH % (24H TREND) 81 (+25) 100 (0) 72
20FT WND AM(MPH) S 8 LGT/VAR
20FT WND PM(MPH) SE 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.36 0.02 0.02
PRECIP DURATION 6 1 0
PRECIP BEGIN 6 AM CONTINUING 4 PM
PRECIP END CONTINUING 10 PM 6 PM
MIXING HGT (FT-AGL) 1770 430 3740
TRANSPORT WND (KTS) S 15 N 8 N 7
VENT RATE (KT-FT) 26550 3440 26180
MAX ADI EARLY 10 POOR 10 POOR 35 FAIR
MAX ADI LATE 24 FAIR 7 POOR 40 FAIR
MAX LVORI EARLY 9 9 4
MAX LVORI LATE 9 9 4
MIN VSBY EARLY 4 FOG 1 FOG 3 FOG
MIN VSBY LATE 1 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 70 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. EAST WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. EAST WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. SOUTH WINDS
5 TO 10 MPH.
RIZ006-172000-
WASHINGTON RI-
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 70 20 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 75 (-4) 66 (+3) 83
RH % (24H TREND) 81 (+24) 100 (0) 67
20FT WND AM(MPH) S 8 G17 LGT/VAR
20FT WND PM(MPH) SE 7 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.33 0.00 0.00
PRECIP DURATION 6
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 1530 440 3440
TRANSPORT WND (KTS) S 14 N 7 NW 6
VENT RATE (KT-FT) 21420 3080 20640
MAX ADI EARLY 23 FAIR 11 POOR 32 FAIR
MAX ADI LATE 18 GEN POOR 5 VERY POOR 31 FAIR
MAX LVORI EARLY 8 9 4
MAX LVORI LATE 8 9 4
MIN VSBY EARLY 3 FOG 1 FOG 3 FOG
MIN VSBY LATE 1 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 70 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTH AFTER
MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
5 TO 10 MPH, BECOMING EAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S. SOUTH WINDS
5 TO 10 MPH.
RIZ007-172000-
NEWPORT RI-
INCLUDING THE CITY OF NEWPORT
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 70 20 10
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 75 (-3) 67 (+1) 82
RH % (24H TREND) 79 (+25) 100 (0) 70
20FT WND AM(MPH) S 10 G18 N 5
20FT WND PM(MPH) SE 9 G18 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.34 0.01 0.00
PRECIP DURATION 6 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 10 PM
MIXING HGT (FT-AGL) 1550 410 3030
TRANSPORT WND (KTS) S 16 N 7 NW 6
VENT RATE (KT-FT) 24800 2870 18180
MAX ADI EARLY 1 VERY POOR 10 POOR 24 FAIR
MAX ADI LATE 14 GEN POOR 8 POOR 24 FAIR
MAX LVORI EARLY 8 8 4
MAX LVORI LATE 8 8 4
MIN VSBY EARLY 3 FOG 1 FOG 3 FOG
MIN VSBY LATE 1 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 70 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
5 TO 10 MPH.
FRIDAY NIGHT THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. SOUTH WINDS
5 TO 10 MPH.
RIZ008-172000-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 70 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (0) 69 (+1) 79
RH % (24H TREND) 84 (+15) 97 (-3) 82
20FT WND AM(MPH) S 12 G19 LGT/VAR
20FT WND PM(MPH) S 10 G18 NE 5 LGT/VAR
PRECIP AMOUNT 0.25 0.00 0.00
PRECIP DURATION 5
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 1530 420 1210
TRANSPORT WND (KTS) S 18 N 9 NW 6
VENT RATE (KT-FT) 27540 3780 7260
MAX ADI EARLY 1 VERY POOR 10 POOR 15 GEN POOR
MAX ADI LATE 11 POOR 8 POOR 10 POOR
MAX LVORI EARLY 8 8 6
MAX LVORI LATE 8 8 6
MIN VSBY EARLY 2 FOG 2 FOG 4 FOG
MIN VSBY LATE 1 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 70 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS
5 TO 10 MPH.
FRIDAY NIGHT THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 70S. SOUTH WINDS
5 TO 10 MPH.
MAZ017-172000-
NORTHERN BRISTOL MA-
INCLUDING THE CITY OF TAUNTON
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 30 20
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 76 (-5) 65 (+3) 83
RH % (24H TREND) 82 (+31) 100 (0) 67
20FT WND AM(MPH) S 5 LGT/VAR
20FT WND PM(MPH) SE 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.25 0.03 0.00
PRECIP DURATION 6 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 1890 420 3960
TRANSPORT WND (KTS) S 14 NE 6 N 8
VENT RATE (KT-FT) 26460 2520 31680
MAX ADI EARLY 28 FAIR 10 POOR 24 FAIR
MAX ADI LATE 27 FAIR 5 VERY POOR 39 FAIR
MAX LVORI EARLY 5 9 3
MAX LVORI LATE 5 9 3
MIN VSBY EARLY 4 FOG 1 FOG 3 FOG
MIN VSBY LATE 1 FOG 3 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 60 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. WEST WINDS AROUND
5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHEAST
WINDS AROUND 5 MPH.
MAZ018-172000-
WESTERN PLYMOUTH MA-
INCLUDING THE CITY OF BROCKTON
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 60 40 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-6) 65 (+3) 80
RH % (24H TREND) 76 (+27) 100 (0) 69
20FT WND AM(MPH) S 6 LGT/VAR
20FT WND PM(MPH) SE 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.22 0.04 0.00
PRECIP DURATION 6 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT (FT-AGL) 1840 420 3240
TRANSPORT WND (KTS) S 14 N 6 N 10
VENT RATE (KT-FT) 25760 2520 32400
MAX ADI EARLY 27 FAIR 11 POOR 24 FAIR
MAX ADI LATE 27 FAIR 5 VERY POOR 37 FAIR
MAX LVORI EARLY 5 9 4
MAX LVORI LATE 5 9 4
MIN VSBY EARLY 5 FOG 1 FOG 2 FOG
MIN VSBY LATE 1 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 50 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID
60S. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S.
HIGHS IN THE UPPER 70S. EAST WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTH
WINDS AROUND 5 MPH.
MAZ019-172000-
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF PLYMOUTH
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 60 40 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-4) 65 (+2) 78
RH % (24H TREND) 76 (+24) 100 (0) 72
20FT WND AM(MPH) S 7 G17 LGT/VAR
20FT WND PM(MPH) SE 7 G17 LGT/VAR N 5
PRECIP AMOUNT 0.15 0.03 0.00
PRECIP DURATION 6 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT (FT-AGL) 1700 420 2230
TRANSPORT WND (KTS) S 14 NE 6 N 10
VENT RATE (KT-FT) 23800 2520 22300
MAX ADI EARLY 21 FAIR 12 POOR 23 FAIR
MAX ADI LATE 18 GEN POOR 7 POOR 23 FAIR
MAX LVORI EARLY 5 9 4
MAX LVORI LATE 5 9 4
MIN VSBY EARLY 5 FOG 1 FOG 3 FOG
MIN VSBY LATE 1 FOG 2 FOG 8
SUNSHINE HOURS N/A N/A N/A
CWR 50 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS AROUND 5 MPH, BECOMING NORTHEAST
AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTH WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER
MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE MID 70S. SOUTHEAST
WINDS 5 TO 10 MPH.
MAZ020-172000-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 70 30 10
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 76 (-3) 66 (+2) 83
RH % (24H TREND) 76 (+22) 100 (0) 67
20FT WND AM(MPH) S 9 G19 LGT/VAR
20FT WND PM(MPH) SE 8 G19 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.26 0.02 0.00
PRECIP DURATION 6 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 1830 430 3690
TRANSPORT WND (KTS) S 15 N 6 N 8
VENT RATE (KT-FT) 27450 2580 29520
MAX ADI EARLY 21 FAIR 9 POOR 24 FAIR
MAX ADI LATE 20 GEN POOR 5 VERY POOR 39 FAIR
MAX LVORI EARLY 7 9 4
MAX LVORI LATE 7 9 4
MIN VSBY EARLY 4 FOG 1 FOG 2 FOG
MIN VSBY LATE 1 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 60 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 80. NORTHEAST WINDS 5 TO
10 MPH.
FRIDAY NIGHT THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTH
WINDS 5 TO 10 MPH.
MAZ021-172000-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF MATTAPOISETT
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 60 40 10
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 76 (-3) 66 (+3) 82
RH % (24H TREND) 79 (+25) 100 (0) 72
20FT WND AM(MPH) S 8 G18 LGT/VAR
20FT WND PM(MPH) SE 8 G19 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.19 0.03 0.00
PRECIP DURATION 7 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT (FT-AGL) 1930 430 3110
TRANSPORT WND (KTS) S 16 N 6 N 9
VENT RATE (KT-FT) 30880 2580 27990
MAX ADI EARLY 27 FAIR 12 POOR 25 FAIR
MAX ADI LATE 29 FAIR 5 VERY POOR 32 FAIR
MAX LVORI EARLY 5 9 3
MAX LVORI LATE 5 9 3
MIN VSBY EARLY 5 FOG 1 FOG 2 FOG
MIN VSBY LATE 1 FOG 2 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 50 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
60S. HIGHS IN THE MID 80S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHEAST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. SOUTH WINDS
5 TO 10 MPH.
MAZ022-172000-
BARNSTABLE MA-
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 70 40 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (-3) 67 (+3) 78
RH % (24H TREND) 67 (+11) 100 (0) 77
20FT WND AM(MPH) S 8 G17 N 5
20FT WND PM(MPH) SE 9 G17 LGT/VAR N 6
PRECIP AMOUNT 0.19 0.05 0.00
PRECIP DURATION 7 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 3 AM
MIXING HGT (FT-AGL) 1960 430 2380
TRANSPORT WND (KTS) S 16 N 10 N 11
VENT RATE (KT-FT) 31360 4300 26180
MAX ADI EARLY 23 FAIR 18 GEN POOR 26 FAIR
MAX ADI LATE 19 GEN POOR 9 POOR 27 FAIR
MAX LVORI EARLY 7 9 4
MAX LVORI LATE 7 9 4
MIN VSBY EARLY 6 FOG 1 FOG 2 FOG
MIN VSBY LATE 1 FOG 1 FOG 8
SUNSHINE HOURS N/A N/A N/A
CWR 60 40 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80. NORTHWEST WINDS AROUND
5 MPH, BECOMING NORTH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH, BECOMING NORTHWEST AFTER
MIDNIGHT.
FRIDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHEAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. SOUTH WINDS
5 TO 10 MPH.
MAZ023-172000-
DUKES MA-
INCLUDING THE CITY OF VINEYARD HAVEN
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 70 30 10
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 77 (+1) 67 (+3) 80
RH % (24H TREND) 74 (+16) 100 (0) 69
20FT WND AM(MPH) S 11 G20 N 6
20FT WND PM(MPH) S 11 G20 SE 6 N 5
PRECIP AMOUNT 0.24 0.04 0.00
PRECIP DURATION 6 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 1860 460 2590
TRANSPORT WND (KTS) S 16 SE 8 NW 9
VENT RATE (KT-FT) 29760 3680 23310
MAX ADI EARLY 1 VERY POOR 16 GEN POOR 27 FAIR
MAX ADI LATE 1 VERY POOR 12 POOR 27 FAIR
MAX LVORI EARLY 7 8 4
MAX LVORI LATE 7 8 4
MIN VSBY EARLY 5 FOG 1 FOG 2 FOG
MIN VSBY LATE 1 FOG 1 FOG 8
SUNSHINE HOURS N/A N/A N/A
CWR 60 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
60S. HIGHS AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHEAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 70S. SOUTH
WINDS 5 TO 10 MPH.
MAZ024-172000-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
409 AM EDT MON AUG 17 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 80 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+2) 67 (+2) 77
RH % (24H TREND) 71 (+7) 100 (0) 79
20FT WND AM(MPH) S 10 G18 N 7
20FT WND PM(MPH) S 12 G19 SE 8 N 8
PRECIP AMOUNT 0.19 0.04 0.00
PRECIP DURATION 6 1
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 2 AM
MIXING HGT (FT-AGL) 2480 540 1970
TRANSPORT WND (KTS) S 15 S 10 N 12
VENT RATE (KT-FT) 37200 5400 23640
MAX ADI EARLY 2 VERY POOR 14 GEN POOR 26 FAIR
MAX ADI LATE 1 VERY POOR 12 POOR 33 FAIR
MAX LVORI EARLY 6 8 7
MAX LVORI LATE 6 8 7
MIN VSBY EARLY 6 FOG 1 FOG 3 FOG
MIN VSBY LATE 1 FOG 1 FOG 7
SUNSHINE HOURS N/A N/A N/A
CWR 60 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 70.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH, BECOMING NORTHWEST
AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
70S. NORTHEAST WINDS 5 TO 10 MPH.
FRIDAY NIGHT THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 70S. SOUTH
WINDS 10 TO 15 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION NEAR NORMAL.
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