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

59°F

15°C

Humidity 78%
Wind Speed Calm
Barometer 30.21 in (1022.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 16 Jun 7:52 am EDT
Extended Forecast for

Groton MA

  • Today

    Today: Partly sunny, with a high near 72. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 72 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 54. Southeast wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 73. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 73 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Showers likely, mainly between 11pm and 2am. Cloudy, with a low around 61. Light south wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 61 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 81. Southwest wind 3 to 6 mph. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 9pm. Partly cloudy, with a low around 66. Light southwest wind. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Juneteenth

    Juneteenth: A chance of showers after 2pm. Mostly sunny, with a high near 89. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 89 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 11pm. Partly cloudy, with a low around 62. West wind around 7 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 80. West wind 6 to 9 mph.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 72. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Tonight
Increasing clouds, with a low around 54. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 73. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
Showers likely, mainly between 11pm and 2am. Cloudy, with a low around 61. Light south wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 81. Southwest wind 3 to 6 mph. Chance of precipitation is 40%.
Wednesday Night
A slight chance of showers before 9pm. Partly cloudy, with a low around 66. Light southwest wind. Chance of precipitation is 20%.
Juneteenth
A chance of showers after 2pm. Mostly sunny, with a high near 89. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 11pm. Partly cloudy, with a low around 62. West wind around 7 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 80. West wind 6 to 9 mph.
Friday Night
Mostly clear, with a low around 57. West wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 81. Northwest wind 3 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 62. Southwest wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 86. West wind 5 to 7 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:
4:45 am EDT Jun 16, 2025
Forecast Valid:
8am EDT Jun 16, 2025-6pm EDT Jun 22, 2025
 
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