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.

Light Rain

51°F

11°C

Humidity 80%
Wind Speed NA
Barometer 29.85 in (1011.0 mb)
Dewpoint 45°F (7°C)
Visibility 8.00 mi
Last update 2 May 12:52 pm EDT
Extended Forecast for

Groton MA

  • This Afternoon

    This Afternoon: A chance of showers, mainly before 4pm. Mostly cloudy, with a high near 58. Southwest wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers, mainly between 8pm and 5am. Mostly cloudy, with a low around 39. Light northwest wind. Chance of precipitation is 30%.

    Low: 39 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 59. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. West wind 3 to 6 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68. Southwest wind 6 to 13 mph, with gusts as high as 24 mph.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. Southwest wind around 6 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Southwest wind 6 to 14 mph, with gusts as high as 26 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 56. South wind around 10 mph, with gusts as high as 22 mph.

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 72. Southwest wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    High: 72 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers, mainly before 4pm. Mostly cloudy, with a high near 58. Southwest wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers, mainly between 8pm and 5am. Mostly cloudy, with a low around 39. Light northwest wind. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 59. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 38. West wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 68. Southwest wind 6 to 13 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 48. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 78. Southwest wind 6 to 14 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 56. South wind around 10 mph, with gusts as high as 22 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 72. Southwest wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 51. Southwest wind 5 to 8 mph. Chance of precipitation is 70%.
Thursday
Showers. High near 63. Light and variable wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 80%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 43. West wind around 6 mph. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 60. West wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
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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:
2:32 am EDT May 2, 2026
Forecast Valid:
1pm EDT May 2, 2026-6pm EDT May 8, 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