Fitchburg, MA Weather & Growing Conditions
Today
65°F
Mostly Sunny
Mostly sunny, with a high near 65. East wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 65°F | Mostly Sunny | 2 mph E | 0% |
| Tonight | 43°F | Partly Cloudy | 3 mph S | 0% |
| Sunday | 57°F | Chance Rain Showers | 2 to 6 mph SE | 87% |
| Sunday Night | 45°F | Rain Showers | 3 to 9 mph NE | 82% |
| Monday | 63°F | Partly Sunny | 6 to 9 mph N | 7% |
| Monday Night | 42°F | Mostly Cloudy | 3 to 7 mph N | 0% |
| Tuesday | 58°F | Partly Sunny | 9 mph NE | 2% |
| Tuesday Night | 41°F | Mostly Cloudy | 3 to 10 mph NE | 2% |
| Wednesday | 59°F | Partly Sunny | 10 to 15 mph NE | 2% |
| Wednesday Night | 41°F | Mostly Cloudy then Slight Chance Rain Showers | 7 to 13 mph NE | 19% |
| Thursday | 58°F | Chance Rain Showers | 14 mph NE | 32% |
| Thursday Night | 43°F | Chance Rain Showers | 13 to 17 mph NE | 35% |
| Friday | 60°F | Chance Rain Showers | 14 to 17 mph NE | 35% |
| Friday Night | 44°F | Chance Rain Showers | 13 to 17 mph NE | 34% |
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 Sep 19, 2026.