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

62°F

17°C

Humidity 23%
Wind Speed N 9 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 11 May 11:52 am EDT
Extended Forecast for

Groton MA

  • Today

    Today: Mostly sunny, with a high near 64. Northwest wind 3 to 7 mph.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. Light northwest wind.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 62. North wind 5 to 7 mph.

    High: 62 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 61. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 61 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers, mainly after 8pm. Patchy fog after 1am. Low around 45. South wind 5 to 7 mph. Chance of precipitation is 80%.

    Low: 45 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers. Patchy fog before 11am. High near 62. Southeast wind 5 to 8 mph. Chance of precipitation is 100%.

    High: 62 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers likely, mainly before 11pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 70%.

    Low: 46 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: A chance of showers. Patchy fog before 10am. Otherwise, partly sunny, with a high near 65. North wind 5 to 7 mph. Chance of precipitation is 40%.

    High: 65 °F

    Chance
    Showers and
    Patchy Fog

Detailed Forecast

Today
Mostly sunny, with a high near 64. Northwest wind 3 to 7 mph.
Tonight
Mostly clear, with a low around 41. Light northwest wind.
Tuesday
Increasing clouds, with a high near 62. North wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 40. Calm wind.
Wednesday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 61. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
Showers, mainly after 8pm. Patchy fog after 1am. Low around 45. South wind 5 to 7 mph. Chance of precipitation is 80%.
Thursday
Showers. Patchy fog before 11am. High near 62. Southeast wind 5 to 8 mph. Chance of precipitation is 100%.
Thursday Night
Showers likely, mainly before 11pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 70%.
Friday
A chance of showers. Patchy fog before 10am. Otherwise, partly sunny, with a high near 65. North wind 5 to 7 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers before 10pm. Partly cloudy, with a low around 48. Calm wind. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 74. West wind 3 to 8 mph.
Saturday Night
Partly cloudy, with a low around 51. West wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 75. West wind 5 to 9 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:
4:39 am EDT May 11, 2026
Forecast Valid:
11am EDT May 11, 2026-6pm EDT May 17, 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