Harman US

Fitchburg, MA Weather & Growing Conditions

Tonight
56°F
Partly Cloudy
Partly cloudy, with a low around 56. Southwest wind around 9 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 56°F Partly Cloudy 9 mph SW 1%
Thursday 68°F Chance Light Rain 9 to 13 mph SW 45%
Thursday Night 59°F Chance Light Rain 2 to 9 mph SW 41%
Friday 68°F Light Rain Likely 5 mph SW 57%
Friday Night 52°F Light Rain Likely 2 mph NW 56%
Saturday 61°F Chance Light Rain 6 mph N 38%
Saturday Night 43°F Chance Light Rain 3 to 9 mph NW 44%
Sunday 55°F Chance Light Rain 13 mph W 37%
Sunday Night 37°F Partly Cloudy 9 mph W 5%
Monday 51°F Mostly Sunny 9 to 15 mph W 8%
Monday Night 34°F Partly Cloudy 8 mph W 5%
Tuesday 55°F Sunny 8 to 13 mph W 3%
Tuesday Night 35°F Mostly Clear 8 mph W 3%
Veterans Day 52°F Sunny 6 to 10 mph W 3%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Fitchburg, MA

Last spring frost
May 2
First fall frost
Oct 13
Growing season
163 days
Hardiness zone
6a

Explore more for Fitchburg, MA: full frost dates · planting calendar · Massachusetts frost dates

Climate data from the nearest NOAA station, Ashburnham, Ma (4.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.