Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
407 PM EST Tue Nov 18 2025
.DISCUSSION...
Dry, breezy west-northwest gusts between 20 and 25 mph today.
Winds become light, with gusts less than 15 mph on Wednesday,
along with dry conditions.
Minimum relative humidity values today and Wednesday are between
40 and 50 percent, except up to 60 percent in the Berkshires.
.OUTLOOK...Thursday night through Sunday...
Dry weather Thursday as high pressure settles in. A cold front
will bring a period of unsettled weather Friday which may linger
into Saturday, then high pressure returns next Sunday.
Southeast Middlesex MA-
Including the cities of Cambridge, Lexington, Newton, Waltham,
and Woburn
407 PM EST Tue Nov 18 2025
Tonight Wed Wed Night Thu
Cloud Cover Clear Mclear Mclear Pcldy
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 27 (-5) 45 (-1) 27 45
RH % (24h trend) 85 (+7) 45 (+1) 88 54
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 330 3430 270 3310
Transport Wnd (kts) W 8 NW 8 N 6 NE 6
Vent Rate (kt-ft) 2640 27440 1620 19860
Max ADI Early 5 Very Poor 19 Gen Poor 3 Very Poor 12 Poor
Max ADI Late 4 Very Poor 23 Fair 3 Very Poor 17 Gen Poor
Max LVORI Early 5 3 5 3
Max LVORI Late 5 3 5 3
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 30s. Light and
variable wind, becoming west around 5 mph after midnight.
.FRIDAY...Mostly cloudy. Highs in the lower 50s. Southwest winds
around 5 mph.
.FRIDAY NIGHT...Mostly cloudy. Lows in the mid 30s. West winds
around 5 mph.
.SATURDAY AND SATURDAY NIGHT...Partly cloudy. Lows in the upper
20s. Highs in the upper 40s. Northwest winds around 5 mph.
.SUNDAY THROUGH MONDAY...Partly cloudy. Lows in the lower 30s.
Highs in the upper 40s. West winds around 5 mph.
.MONDAY NIGHT...Mostly cloudy. Lows in the mid 30s. Southwest
winds around 5 mph.
.TUESDAY...Mostly sunny. Highs around 50. West winds 5 to 10 mph.
Forecast And Data Provided By NOAA-NWS Boston / Norton, MA