Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
413 PM EDT Tue Mar 17 2026
.DISCUSSION...
Dry conditions continue the next several days with cooler
temperatures and lighter winds.
Minimum relative humidity will be between 25 and 35 percent
Wednesday afternoon and between 35 and 50 percent on Thursday. .
.OUTLOOK...Friday through Sunday...
An approaching frontal system may bring showers sometime Friday
night into Saturday and again late Sunday.
Southeast Middlesex MA-
Including the cities of Cambridge, Lexington, Newton, Waltham,
and Woburn
413 PM EDT Tue Mar 17 2026
Tonight Wed Wed Night Thu
Cloud Cover Mclear Mclear Pcldy Mclear
Precip Type None None None None
Chance Precip (%)
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 22 (-18) 38 (-3) 25 45
RH % (24h trend) 52 (-48) 24 (-11) 68 36
20ft Wnd AM(mph) Lgt/Var Lgt/Var
20ft Wnd PM(mph) W 8 G18 Lgt/Var Lgt/Var S 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 790 5140 390 5410
Transport Wnd (kts) W 14 SW 5 S 10 S 11
Vent Rate (kt-ft) 11060 25700 3900 59510
Max ADI Early 82 Good 92 Good 34 Fair 51 Gen Good
Max ADI Late 17 Gen Poor 74 Good 4 Very Poor 77 Good
Max LVORI Early 2 1 3 1
Max LVORI Late 2 1 3 1
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...Mostly cloudy. Lows in the lower 30s. South
winds around 5 mph.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Lows in the mid 30s.
Highs in the lower 50s. West winds around 5 mph.
.SATURDAY...Partly sunny with a chance of rain. Highs around 50.
Southwest winds 5 to 10 mph.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain and snow.
Lows in the mid 30s. Southwest winds 5 to 10 mph.
.SUNDAY...Mostly cloudy with a chance of rain. Highs in the mid
50s. Southwest winds 5 to 10 mph.
.SUNDAY NIGHT...Mostly cloudy with a chance of rain and snow.
Lows in the mid 30s. West winds 5 to 10 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows 26 to 35. Highs in
the mid 40s. West winds 5 to 10 mph.
Forecast And Data Provided By NOAA-NWS Boston / Norton, MA