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

73°F

23°C

Humidity 40%
Wind Speed SW 6 mph
Barometer 30.19 in (1022.4 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 3 Oct 4:52 pm EDT
Extended Forecast for

Groton MA

  • Tonight

    Tonight: Mostly clear, with a low around 48. Southwest wind around 6 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Light west wind.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Sunny

  • Sunday Night

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

    Low: 54 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 83. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Southwest wind 3 to 6 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Southwest wind 6 to 9 mph, with gusts as high as 23 mph.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 3am. Mostly cloudy, with a low around 55. Southwest wind 6 to 8 mph. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Southwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 81. Light west wind.
Saturday Night
Mostly clear, with a low around 52. Calm wind.
Sunday
Sunny, with a high near 83. Light and variable wind.
Sunday Night
Clear, with a low around 54. Calm wind.
Monday
Sunny, with a high near 83. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 56. Southwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 80. Southwest wind 6 to 9 mph, with gusts as high as 23 mph.
Tuesday Night
Showers likely, mainly after 3am. Mostly cloudy, with a low around 55. Southwest wind 6 to 8 mph. Chance of precipitation is 60%.
Wednesday
Showers likely, mainly before noon. Mostly cloudy, with a high near 68. Northwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 40. North wind 3 to 6 mph. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 59. North wind around 6 mph.
Thursday Night
Mostly clear, with a low around 35. Calm wind.
Friday
Sunny, with a high near 64. Calm wind becoming southwest around 5 mph in the afternoon.
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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:
2:25 pm EDT Oct 3, 2025
Forecast Valid:
5pm EDT Oct 3, 2025-6pm EDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation