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 43%
Wind Speed S 10 mph
Barometer 30.18 in (1022.0 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 16 Jun 12:52 pm EDT
Extended Forecast for

Groton MA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 76. Southeast wind around 7 mph.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers, mainly after 4am. Increasing clouds, with a low around 55. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly after noon. Patchy fog before noon. Otherwise, cloudy, with a high near 73. Light east wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Showers likely, mainly between 11pm and 2am. Patchy fog between 7pm and 8pm. Otherwise, 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 and
    Patchy Fog

  • 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

This Afternoon
Mostly sunny, with a high near 76. Southeast wind around 7 mph.
Tonight
A chance of showers, mainly after 4am. Increasing clouds, with a low around 55. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Tuesday
A chance of showers, mainly after noon. Patchy fog before noon. Otherwise, cloudy, with a high near 73. Light east wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Showers likely, mainly between 11pm and 2am. Patchy fog between 7pm and 8pm. Otherwise, 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:
1:12 pm EDT Jun 16, 2025
Forecast Valid:
1pm EDT Jun 16, 2025-6pm EDT Jun 22, 2025
 
Forecast Discussion
 
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Additional Resources

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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