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

29°F

-2°C

Humidity 49%
Wind Speed SE 7 mph
Barometer 30.38 in (1029.2 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 18 Mar 10:52 pm EDT
Extended Forecast for

Lunenburg MA

  • Tonight

    Tonight: Partly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 44. Calm wind becoming south around 6 mph in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. Light south wind.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 52. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 52 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 36. South wind 3 to 5 mph. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain, mainly before 10am. Mostly cloudy, with a high near 52. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 52 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. Southwest wind around 6 mph.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 56. Southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 56 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain before midnight. Partly cloudy, with a low around 29. North wind around 7 mph. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Rain
    then Partly
    Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 20. Calm wind.
Thursday
Mostly sunny, with a high near 44. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 28. Light south wind.
Friday
Increasing clouds, with a high near 52. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 36. South wind 3 to 5 mph. Chance of precipitation is 60%.
Saturday
A chance of rain, mainly before 10am. Mostly cloudy, with a high near 52. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 37. Southwest wind around 6 mph.
Sunday
A chance of rain. Mostly cloudy, with a high near 56. Southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Sunday Night
A chance of rain before midnight. Partly cloudy, with a low around 29. North wind around 7 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 40. North wind 8 to 10 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 23. Northwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 42. Northwest wind 5 to 9 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 24. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 46. West wind 6 to 9 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:
6:12 pm EDT Mar 18, 2026
Forecast Valid:
11pm EDT Mar 18, 2026-6pm EDT Mar 25, 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