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.

Overcast

25°F

-4°C

Humidity 66%
Wind Speed NW 3 mph
Barometer 30.05 in (1018.1 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 4 Jan 7:52 pm EST
Extended Forecast for

Lunenburg MA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 10. Northwest wind 3 to 6 mph.

    Low: 10 °F

    Decreasing
    Clouds

  • Monday

    Monday: Snow likely, mainly after 4pm. Mostly cloudy, with a high near 24. Calm wind becoming south around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 24 °F

    Mostly Cloudy
    then Snow
    Likely

  • Monday Night

    Monday Night: Snow likely, mainly before 1am. Patchy fog before 1am. Otherwise, cloudy, with a low around 19. Light and variable wind. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Snow Likely
    and Patchy
    Fog then
    Chance Snow
    and Patchy
    Fog

  • Tuesday

    Tuesday: A chance of snow after 1pm, mixing with rain after 5pm. Mostly cloudy, with a high near 34. Light and variable wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 34 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of snow and freezing rain before 7pm, then freezing rain. Low around 27. Calm wind. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 27 °F

    Wintry Mix
    then Freezing
    Rain

  • Wednesday

    Wednesday: Freezing rain likely, possibly mixed with rain before 7am, then a chance of rain between 7am and 2pm. Partly sunny, with a high near 44. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 60%.

    High: 44 °F

    Rain/Freezing
    Rain Likely
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. West wind 3 to 5 mph.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 43. Calm wind becoming west around 5 mph.

    High: 43 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of rain after 3am. Mostly cloudy, with a low around 29. Light southwest wind. Chance of precipitation is 30%.

    Low: 29 °F

    Partly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 10. Northwest wind 3 to 6 mph.
Monday
Snow likely, mainly after 4pm. Mostly cloudy, with a high near 24. Calm wind becoming south around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
Snow likely, mainly before 1am. Patchy fog before 1am. Otherwise, cloudy, with a low around 19. Light and variable wind. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday
A chance of snow after 1pm, mixing with rain after 5pm. Mostly cloudy, with a high near 34. Light and variable wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday Night
A chance of snow and freezing rain before 7pm, then freezing rain. Low around 27. Calm wind. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
Freezing rain likely, possibly mixed with rain before 7am, then a chance of rain between 7am and 2pm. Partly sunny, with a high near 44. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 26. West wind 3 to 5 mph.
Thursday
Sunny, with a high near 43. Calm wind becoming west around 5 mph.
Thursday Night
A chance of rain after 3am. Mostly cloudy, with a low around 29. Light southwest wind. Chance of precipitation is 30%.
Friday
A chance of rain. Mostly cloudy, with a high near 48. Southwest wind 3 to 7 mph. Chance of precipitation is 50%.
Friday Night
Rain likely. Mostly cloudy, with a low around 35. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 46. East wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 29. West wind around 6 mph. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 39. West wind 6 to 10 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lunenburg MA
 42.6°N 71.7°W (Elev. 397 ft)
Last Update:
6:28 pm EST Jan 4, 2026
Forecast Valid:
8pm EST Jan 4, 2026-6pm EST Jan 11, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation