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

67°F

19°C

Humidity 66%
Wind Speed NW 6 mph
Barometer 29.76 in (1007.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Jun 8:52 pm EDT
Extended Forecast for

Lunenburg MA

  • Tonight

    Tonight: Mostly clear, with a low around 57. West wind 3 to 5 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 80. West wind 5 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Sunny then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 57. Calm wind. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 75. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 57. East wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 90%.

    Low: 57 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly before 8am. Mostly sunny, with a high near 80. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Light northwest wind.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. West wind 3 to 5 mph.
Sunday
A chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 80. West wind 5 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 57. Calm wind. Chance of precipitation is 30%.
Monday
Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 75. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 57. East wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 90%.
Tuesday
A chance of showers, mainly before 8am. Mostly sunny, with a high near 80. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 59. Calm wind.
Wednesday
Sunny, with a high near 84. Light northwest wind.
Wednesday Night
Mostly clear, with a low around 60. Calm wind.
Thursday
Mostly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 40%.
Friday
Showers likely. Partly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 82. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lunenburg MA
 42.6°N 71.7°W (Elev. 397 ft)
Last Update:
12:35 pm EDT Jun 20, 2026
Forecast Valid:
9pm EDT Jun 20, 2026-6pm EDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation