Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
410 AM EDT Sat Apr 25 2026
.DISCUSSION...
Still under high pressure again today, but with an increasing
cloudiness. Onshore winds will bring slightly cooler temperatures
and minimum relative humidities of 40 to 60 percent today. The
risk for rain showers increases tonight in CT and southern RI.
Overcast conditions for Sunday as low pressure over the southern
offshore waters passes eastward. Expect another round of onshore
winds and periods of rain for the Cape and Islands. Minimum
relative humidities around 45 to 70 percent.
.OUTLOOK...Monday through Wednesday...
High pressure then builds back into the region early next week,
with mostly clear skies and temperatures slowly moderating. Our
weather pattern then turns more unsettled moving into next week.
Southeast Middlesex MA-
Including the city of Cambridge
410 AM EDT Sat Apr 25 2026
Today Tonight Sun
Cloud Cover Pcldy Cloudy Mcldy
Precip Type None None None
Chance Precip (%) 10 10
Chance of Thunder (%) 0 0 0
Temp (24h trend) 51 (-4) 37 (+3) 55
RH % (24h trend) 41 (+12) 92 (0) 43
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) E 5 Lgt/Var E 6
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 4920 320 4240
Transport Wnd (kts) E 6 W 2 E 9
Vent Rate (kt-ft) 29520 640 38160
Max ADI Early 34 Fair 15 Gen Poor 23 Fair
Max ADI Late 38 Fair 3 Very Poor 40 Fair
Max LVORI Early 2 6 2
Max LVORI Late 2 6 2
Min Vsby Early 10 10 10
Min Vsby Late 10 10 10
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly cloudy. Lows around 40. Northeast winds
around 5 mph.
.MONDAY...Mostly sunny. Highs in the upper 50s. Northeast winds
5 to 10 mph.
.MONDAY NIGHT...Mostly clear. Lows in the upper 30s. Northeast
winds around 5 mph.
.TUESDAY...Mostly sunny. Highs in the upper 50s. Northeast winds
5 to 10 mph.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy with a chance of
showers. Lows in the lower 40s. Highs in the mid 50s. East winds
around 5 mph.
.WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy with showers
likely. Lows in the upper 40s. Highs in the mid 50s. East winds
around 5 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy with a chance of
showers. Lows in the mid 40s. Highs in the upper 50s. Northwest
winds around 5 mph.