National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Fitchburg, Fitchburg Municipal Airport (KFIT)

Lat: 42.55°NLon: 71.76°WElev: 348ft.

Fair

69°F

21°C

Humidity 55%
Wind Speed NW 10 mph
Barometer 29.90 in (1012.5 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 22 Jul 9:52 pm EDT
Extended Forecast for

Groton MA

  • Tonight

    Tonight: Partly cloudy, with a low around 56. West wind 3 to 6 mph.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 80. Northwest wind 3 to 5 mph.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 54. Calm wind.

    Low: 54 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 83. Calm wind.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. Calm wind becoming east around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. Light and variable wind.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59. Light and variable wind.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. West wind 3 to 6 mph.
Thursday
Sunny, with a high near 80. Northwest wind 3 to 5 mph.
Thursday Night
Clear, with a low around 54. Calm wind.
Friday
Sunny, with a high near 83. Calm wind.
Friday Night
Mostly clear, with a low around 57. Light and variable wind.
Saturday
Sunny, with a high near 84. Calm wind becoming east around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 56. Light and variable wind.
Sunday
Mostly sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 59. Light and variable wind.
Monday
Mostly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
A chance of showers. Mostly cloudy, with a low around 61. Light southwest wind. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 82. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. West wind 3 to 7 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Groton MA
 42.6°N 71.58°W (Elev. 299 ft)
Last Update:
2:31 pm EDT Jul 22, 2026
Forecast Valid:
10pm EDT Jul 22, 2026-6pm EDT Jul 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation