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

64°F

18°C

Humidity 87%
Wind Speed NW 3 mph
Barometer 29.94 in (1013.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 20 Aug 4:52 am EDT
Extended Forecast for

Lunenburg MA

  • Today

    Today: Increasing clouds, with a high near 84. West wind 3 to 6 mph.

    High: 84 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Showers likely, mainly before 2am. Mostly cloudy, with a low around 56. Light northwest wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers between 11am and noon. Mostly sunny, with a high near 81. Light and variable wind becoming northeast around 6 mph in the morning. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Increasing clouds, with a low around 56. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 5pm. High near 72. Northeast wind 5 to 7 mph. Chance of precipitation is 80%.

    High: 72 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 58. Calm wind. Chance of precipitation is 80%.

    Low: 58 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 5pm. Mostly cloudy, with a high near 81. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 81 °F

    Mostly Cloudy
    then Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before midnight. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 81. West wind 3 to 8 mph.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 84. West wind 3 to 6 mph.
Tonight
Showers likely, mainly before 2am. Mostly cloudy, with a low around 56. Light northwest wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of showers between 11am and noon. Mostly sunny, with a high near 81. Light and variable wind becoming northeast around 6 mph in the morning. Chance of precipitation is 20%.
Friday Night
A chance of showers after 2am. Increasing clouds, with a low around 56. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers, with thunderstorms also possible after 5pm. High near 72. Northeast wind 5 to 7 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 58. Calm wind. Chance of precipitation is 80%.
Sunday
Showers likely, mainly after 5pm. Mostly cloudy, with a high near 81. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
A chance of showers before midnight. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 40%.
Monday
Sunny, with a high near 81. West wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 54. Light west wind.
Tuesday
Sunny, with a high near 80. West wind 5 to 8 mph.
Tuesday Night
Mostly clear, with a low around 55. Calm wind.
Wednesday
Sunny, with a high near 82. West wind 3 to 6 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Lunenburg MA
 42.6°N 71.7°W (Elev. 397 ft)
Last Update:
2:31 am EDT Aug 20, 2026
Forecast Valid:
5am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
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