Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
408 PM EDT Fri Jul 24 2026
.DISCUSSION...
Dry conditions today and Saturday. Light winds expected both days
becoming more steady easterly for Saturday at 6-12 mph. Min
relative humidity values 30-45 percent with today being the drier
day. Values closer to 40-50 percent closer to the coast.
.OUTLOOK...Sunday through Thursday...
Mainly dry conditions for most on Sunday. Moisture increases next
week, accompanied by periodic chances for precipitation. Based on
model trends, the chances of wetting rains increase Tue into
midweek.
MAZ015-
Southeast Middlesex MA-
Including the city of Cambridge
408 PM EDT Fri Jul 24 2026
Tonight Sat Sat Night Sun
Cloud Cover Mclear Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 56 (-2) 81 (-4) 53 77
RH % (24h trend) 96 (-4) 38 (+8) 100 45
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) S 5 E 6 Lgt/Var E 7
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 400 5020 380 4060
Transport Wnd (kts) SW 4 E 9 N 6 NE 11
Vent Rate (kt-ft) 1600 45180 2280 44660
Max ADI Early 38 Fair 38 Fair 31 Fair 45 Gen Good
Max ADI Late 4 Very Poor 56 Gen Good 7 Poor 56 Gen Good
Max LVORI Early 6 1 9 1
Max LVORI Late 6 1 9 1
Min Vsby Early 9 9 9 6 Fog
Min Vsby Late 9 9 6 Fog 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Northeast
winds around 5 mph in the evening, becoming light and variable.
.MONDAY...Mostly sunny. Highs in the lower 80s. Northeast winds
around 5 mph, becoming southeast around 5 mph in the afternoon.
.MONDAY NIGHT...Partly cloudy. Lows in the lower 60s. South winds
around 5 mph.
.TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Showers likely and a
chance of thunderstorms. Lows in the lower 60s. Highs around 80.
South winds 5 to 10 mph.
.WEDNESDAY...Partly sunny with showers likely. Highs in the upper
70s. Southeast winds around 5 mph.
.WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy. A chance of
showers. Lows in the lower 60s. Highs in the lower 80s. North
winds around 5 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the lower 60s. Northwest winds around 5 mph.
.FRIDAY...Mostly sunny. Highs in the lower 80s. Northwest winds
around 5 mph, becoming east around 5 mph in the afternoon.