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

75°F

24°C

Humidity 84%
Wind Speed Calm
Barometer 29.98 in (1015.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 25 Jun 3:52 am EDT
Extended Forecast for

Lunenburg MASimilar City Names

  • Today

    Today: Isolated showers and thunderstorms, then scattered showers after 1pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 95. Northwest wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 91 °F

    Isolated
    T-storms then
    Scattered
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Calm wind becoming northeast around 6 mph after midnight.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers after 10am. Mostly cloudy, with a high near 72. East wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 9pm. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly before 9am. Mostly cloudy, with a high near 68. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 68 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 57. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 70. Southeast wind 5 to 7 mph. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely, mainly before 7pm. Mostly cloudy, with a low around 60. East wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 81. Northwest wind 3 to 6 mph.

    High: 81 °F

    Partly Sunny

Detailed Forecast

Today
Isolated showers and thunderstorms, then scattered showers after 1pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 95. Northwest wind 5 to 8 mph. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 63. Calm wind becoming northeast around 6 mph after midnight.
Thursday
A slight chance of showers after 10am. Mostly cloudy, with a high near 72. East wind 6 to 8 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers, mainly before 9pm. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 30%.
Friday
A chance of showers, mainly before 9am. Mostly cloudy, with a high near 68. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 57. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Saturday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 70. Southeast wind 5 to 7 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely, mainly before 7pm. Mostly cloudy, with a low around 60. East wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 81. Northwest wind 3 to 6 mph.
Sunday Night
Partly cloudy, with a low around 61. Calm wind.
Monday
Mostly sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
A chance of showers. Partly cloudy, with a low around 69. Light southwest wind. Chance of precipitation is 30%.
Tuesday
Showers likely. Partly sunny, with a high near 88. Southwest wind 6 to 8 mph. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lunenburg MASimilar City Names
 42.6°N 71.73°W (Elev. 541 ft)
Last Update:
3:59 am EDT Jun 25, 2025
Forecast Valid:
4am EDT Jun 25, 2025-6pm EDT Jul 1, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation