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

50°F

10°C

Humidity 22%
Wind Speed W 9 mph
Barometer 30.22 in (1023.7 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 21 Apr 4:52 pm EDT
Extended Forecast for

Lunenburg MA

  • Tonight

    Tonight: Increasing clouds, with a low around 34. Light south wind.

    Low: 34 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Showers likely, mainly between noon and 4pm. Patchy fog before noon. Otherwise, cloudy, with a high near 46. South wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly before 7pm. Patchy fog between 9pm and 2am. Otherwise, mostly cloudy, with a low around 37. Calm wind. Chance of precipitation is 30%.

    Low: 37 °F

    Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before noon. Mostly sunny, with a high near 60. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    High: 60 °F

    Slight Chance
    T-storms then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. Northwest wind 3 to 6 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 56. North wind around 6 mph.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 58. Calm wind becoming east around 5 mph in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 34. Light south wind.
Wednesday
Showers likely, mainly between noon and 4pm. Patchy fog before noon. Otherwise, cloudy, with a high near 46. South wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of showers, mainly before 7pm. Patchy fog between 9pm and 2am. Otherwise, mostly cloudy, with a low around 37. Calm wind. Chance of precipitation is 30%.
Thursday
A slight chance of showers and thunderstorms before noon. Mostly sunny, with a high near 60. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 34. Northwest wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 56. North wind around 6 mph.
Friday Night
Partly cloudy, with a low around 32. Calm wind.
Saturday
Mostly sunny, with a high near 58. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 35. Calm wind.
Sunday
Mostly sunny, with a high near 61. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 39. Light and variable wind.
Monday
Partly sunny, with a high near 60. Calm wind becoming east 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 41. Light northeast wind.
Tuesday
A chance of showers. Mostly cloudy, with a high near 59. East wind 3 to 7 mph. Chance of precipitation is 30%.
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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:
1:42 pm EDT Apr 21, 2026
Forecast Valid:
5pm EDT Apr 21, 2026-6pm EDT Apr 28, 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