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 79. 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: 79 °F

    Sunny then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 56. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 74. 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: 74 °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 8 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 83. Light northwest wind.

    High: 83 °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 79. 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 56. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 74. 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 8 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 59. Calm wind.
Wednesday
Sunny, with a high near 83. Light northwest wind.
Wednesday Night
Mostly clear, with a low around 60. Calm wind.
Thursday
A chance of showers after 3pm. Mostly sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%.
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 80. 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 81. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lunenburg MA
 42.6°N 71.73°W (Elev. 541 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

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