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

71°F

22°C

Humidity 61%
Wind Speed W 6 mph
Barometer 29.77 in (1008.2 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 14 Oct 1:52 pm EDT
Extended Forecast for

Groton MA

  • This Afternoon

    This Afternoon: A slight chance of showers. Mostly cloudy early, then becoming sunny, with a high near 72. West wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 46. Northwest wind around 6 mph.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 60. North wind 3 to 8 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 3am. Increasing clouds, with a low around 41. Calm wind. Chance of precipitation is 30%.

    Low: 41 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers. Patchy fog before 2pm. High near 64. Southeast wind around 6 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.

    High: 64 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers likely, mainly before 2am. Patchy fog between 8pm and midnight. Otherwise, mostly cloudy, with a low around 40. Northwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 40 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Partly sunny, with a high near 48. Northwest wind around 14 mph, with gusts as high as 32 mph.

    High: 48 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. Northwest wind 3 to 6 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54. West wind 3 to 6 mph.

    High: 54 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers. Mostly cloudy early, then becoming sunny, with a high near 72. West wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 46. Northwest wind around 6 mph.
Thursday
Sunny, with a high near 60. North wind 3 to 8 mph.
Thursday Night
A chance of showers, mainly after 3am. Increasing clouds, with a low around 41. Calm wind. Chance of precipitation is 30%.
Friday
Showers. Patchy fog before 2pm. High near 64. Southeast wind around 6 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.
Friday Night
Showers likely, mainly before 2am. Patchy fog between 8pm and midnight. Otherwise, mostly cloudy, with a low around 40. Northwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Saturday
Partly sunny, with a high near 48. Northwest wind around 14 mph, with gusts as high as 32 mph.
Saturday Night
Mostly clear, with a low around 30. Northwest wind 3 to 6 mph.
Sunday
Sunny, with a high near 54. West wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 33. Calm wind.
Monday
Sunny, with a high near 62. Southwest wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 39. Light southwest wind.
Tuesday
Sunny, with a high near 65. Calm wind becoming west around 5 mph.
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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:
1:00 pm EDT Oct 14, 2026
Forecast Valid:
2pm EDT Oct 14, 2026-6pm EDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation