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

64°F

18°C

Humidity 87%
Wind Speed N 6 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 14 Aug 2:52 am EDT
Extended Forecast for

Groton MA

  • Overnight

    Overnight: Clear, with a low around 60. Calm wind.

    Low: 60 °F

    Clear

  • Friday

    Friday: A slight chance of showers after 3pm. Sunny, with a high near 82. Northwest wind 3 to 7 mph. Chance of precipitation is 20%.

    High: 82 °F

    Sunny then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. Light north wind.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers, mainly after 10pm. Low around 60. South wind 5 to 7 mph. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Monday

    Monday: Showers, mainly before 10am. Patchy fog before 9am. High near 81. South wind around 7 mph becoming west in the afternoon. Chance of precipitation is 80%.

    High: 81 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. Light northwest wind.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 60. Calm wind.
Friday
A slight chance of showers after 3pm. Sunny, with a high near 82. Northwest wind 3 to 7 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 54. Light north wind.
Saturday
Sunny, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 53. Calm wind.
Sunday
Mostly sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon.
Sunday Night
Showers, mainly after 10pm. Low around 60. South wind 5 to 7 mph. Chance of precipitation is 80%.
Monday
Showers, mainly before 10am. Patchy fog before 9am. High near 81. South wind around 7 mph becoming west in the afternoon. Chance of precipitation is 80%.
Monday Night
Mostly clear, with a low around 58. Light northwest wind.
Tuesday
Sunny, with a high near 83. Northwest wind 3 to 5 mph.
Tuesday Night
Clear, with a low around 58. Calm wind.
Wednesday
Sunny, with a high near 85. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 62. Light southwest wind. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 82. West wind 5 to 8 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 71.55°W (Elev. 397 ft)
Last Update:
2:34 am EDT Aug 14, 2026
Forecast Valid:
3am EDT Aug 14, 2026-6pm EDT Aug 20, 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