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.

A Few Clouds

79°F

26°C

Humidity 54%
Wind Speed Vrbl 5 G 18 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 31 Jul 11:52 am EDT
Extended Forecast for

Lunenburg MA

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Light and variable wind. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 60. Light west wind.

    Low: 60 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 84. South wind 3 to 8 mph.

    High: 84 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 64. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. High near 82. Southwest wind 5 to 8 mph. Chance of precipitation is 80%.

    High: 82 °F

    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. West wind 3 to 6 mph.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Light and variable wind. Chance of precipitation is 20%.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 60. Light west wind.
Saturday
Mostly sunny, with a high near 85. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 64. Calm wind.
Sunday
Partly sunny, with a high near 84. South wind 3 to 8 mph.
Sunday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 64. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Monday
Showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. High near 82. Southwest wind 5 to 8 mph. Chance of precipitation is 80%.
Monday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 84. West wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 61. Calm wind.
Wednesday
Mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 64. Calm wind.
Thursday
A chance of showers. Partly sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lunenburg MA
 42.58°N 71.71°W (Elev. 351 ft)
Last Update:
10:46 am EDT Jul 31, 2026
Forecast Valid:
12pm EDT Jul 31, 2026-6pm EDT Aug 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation