Fitchburg, Massachusetts Weather
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Climate of Fitchburg: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Fitchburg, with average daytime highs around 28°C. January is the coolest, when nights typically fall to about -10°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 37°C, so the seasons feel very different from each other.
The area receives about 1180 mm of rain in a typical year. Most of it falls from April, June to July, October and December, and October is the wettest month at roughly 125 mm.
For outdoor plans and travel, May and August to September usually offer the most comfortable weather in Fitchburg, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | -1° | -10° | 75 mm | 90% |
| Feb | 1° | -9° | 81 mm | 89% |
| Mar | 5° | -5° | 98 mm | 83% |
| Apr | 13° | 1° | 100 mm | 78% |
| May | 19° | 8° | 92 mm | 77% |
| Jun | 24° | 13° | 115 mm | 78% |
| Jul | 28° | 17° | 100 mm | 75% |
| Aug | 27° | 16° | 98 mm | 73% |
| Sep | 24° | 11° | 98 mm | 74% |
| Oct | 16° | 5° | 125 mm | 79% |
| Nov | 9° | -1° | 91 mm | 82% |
| Dec | 2° | -6° | 109 mm | 87% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Fitchburg. Values describe typical conditions, not a forecast.
About Fitchburg weather
Fitchburg is set in Massachusetts's humid continental, coastal New England climate, about 36 km north of Worcester. Summers bring warm summers (June–August). The year winds down with cold winters (December–February) with regular nor'easter snowstorms. This page shows live, auto-refreshing weather for Fitchburg: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/New_York.
Frequently asked questions
Fitchburg is about 36 km north of Worcester, in Massachusetts.
Fitchburg sees cold winters (December–February) with regular nor'easter snowstorms.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Fitchburg's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Fitchburg, with average daytime highs of about 28°C and nights around 17°C.
The coldest nights come in January, when the average low is about -10°C and daytime highs reach around -1°C. Frost is possible on clear, calm nights.
Fitchburg receives about 1180 mm of rain in a typical year. October is the wettest month at roughly 125 mm, and the main rainy period is April, June to July, October and December.
May and August to September usually offer the most comfortable weather in Fitchburg, with mild daytime temperatures and little rain.
In November Fitchburg typically sees daytime highs near 9°C and lows near -1°C, with about 91 mm of rain over the month and average humidity around 82%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
Live temperature for Fitchburg is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
Fitchburg's day-to-day weather follows the broader pattern of Massachusetts described above. See the hourly weather forecast or the air quality index for more detail.