Fitchburg, MA Weather & Growing Conditions
Today
80°F
Sunny
Sunny, with a high near 80. West wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Sunny | 6 mph W | 0% |
| Tonight | 58°F | Mostly Clear | 5 mph W | 0% |
| Wednesday | 80°F | Mostly Sunny | 2 to 6 mph W | 1% |
| Wednesday Night | 63°F | Partly Cloudy | 5 mph SW | 8% |
| Thursday | 83°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph SW | 36% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms | 6 mph SW | 48% |
| Friday | 85°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 8 mph W | 23% |
| Friday Night | 67°F | Chance Rain Showers then Partly Cloudy | 6 mph W | 30% |
| Saturday | 83°F | Mostly Sunny then Chance Rain Showers | 3 to 7 mph W | 28% |
| Saturday Night | 66°F | Chance Rain Showers then Mostly Cloudy | 5 mph W | 38% |
| Sunday | 84°F | Mostly Sunny | 3 to 7 mph W | 11% |
| Sunday Night | 66°F | Mostly Clear | 6 mph SW | 13% |
| Monday | 84°F | Sunny | 5 to 10 mph W | 9% |
| Monday Night | 65°F | Partly Cloudy | 6 to 9 mph W | 11% |
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 Aug 4, 2026.