Fitchburg, MA Weather & Growing Conditions
Today
64°F
Mostly Sunny
Mostly sunny, with a high near 64. Northeast wind 1 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Mostly Sunny | 1 to 5 mph NE | 0% |
| Tonight | 44°F | Partly Cloudy | 3 mph S | 0% |
| Sunday | 56°F | Chance Rain Showers | 2 to 6 mph SE | 89% |
| Sunday Night | 46°F | Rain Showers | 3 to 8 mph NE | 82% |
| Monday | 62°F | Partly Sunny | 8 mph N | 7% |
| Monday Night | 43°F | Mostly Cloudy | 6 mph N | 0% |
| Tuesday | 58°F | Partly Sunny | 8 mph NE | 1% |
| Tuesday Night | 41°F | Mostly Cloudy | 2 to 8 mph NE | 1% |
| Wednesday | 59°F | Partly Sunny | 8 to 13 mph NE | 2% |
| Wednesday Night | 41°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph NE | 18% |
| Thursday | 57°F | Chance Rain Showers | 12 mph NE | 32% |
| Thursday Night | 43°F | Chance Rain Showers | 9 to 16 mph NE | 35% |
| Friday | 59°F | Chance Rain Showers | 12 to 16 mph N | 34% |
| Friday Night | 44°F | Chance Rain Showers | 10 to 15 mph NE | 34% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fitchburg, MA
Last spring frost
May 1
First fall frost
Oct 9
Growing season
162 days
Hardiness zone
6a
Explore more for Fitchburg, MA: full frost dates · planting calendar · Massachusetts frost dates
Climate data from the nearest NOAA station, Fitchburg Coop, Ma (4.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.