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

56°F

13°C

Humidity 93%
Wind Speed Calm
Barometer 30.14 in (1020.6 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 29 Aug 3:52 am EDT
Extended Forecast for

Lunenburg MASimilar City Names

  • Today

    Today: Sunny, with a high near 78. West wind 3 to 5 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 57. Calm wind.

    Low: 57 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 81. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 61. West wind 3 to 5 mph.

    Low: 61 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81. Light north wind.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers. Partly sunny, with a high near 75. Light and variable wind. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 58. Light south wind. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. South wind 3 to 6 mph. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 78. West wind 3 to 5 mph.
Tonight
Increasing clouds, with a low around 57. Calm wind.
Sunday
Mostly sunny, with a high near 81. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 61. West wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 81. Light north wind.
Monday Night
Partly cloudy, with a low around 57. Calm wind.
Tuesday
A chance of showers. Partly sunny, with a high near 75. Light and variable wind. Chance of precipitation is 50%.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 58. Light south wind. Chance of precipitation is 60%.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. South wind 3 to 6 mph. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Light southwest wind. Chance of precipitation is 70%.
Thursday
A chance of showers. Mostly cloudy, with a high near 77. West wind 5 to 7 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 59. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 74. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lunenburg MASimilar City Names
 42.6°N 71.73°W (Elev. 541 ft)
Last Update:
2:30 am EDT Aug 29, 2026
Forecast Valid:
4am EDT Aug 29, 2026-6pm EDT Sep 4, 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