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.

Mostly Cloudy

66°F

19°C

Humidity 65%
Wind Speed Vrbl 6 mph
Barometer 30.34 in (1027.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 16 Sep 8:52 am EDT
Extended Forecast for

Lunenburg MA

  • Today

    Today: Mostly sunny, with a high near 78. Southwest wind around 6 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, increasing clouds, with a low around 58. Light and variable wind.

    Low: 58 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A chance of showers, mainly between 2pm and 5pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 78. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 78 °F

    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly between 9pm and 2am. Mostly cloudy, with a low around 61. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 61 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 75. Northwest wind 6 to 9 mph, with gusts as high as 22 mph.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. North wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Calm wind.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly between 11am and noon. Mostly cloudy, with a high near 64. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 78. Southwest wind around 6 mph.
Tonight
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 58. Light and variable wind.
Thursday
A chance of showers, mainly between 2pm and 5pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 78. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers, mainly between 9pm and 2am. Mostly cloudy, with a low around 61. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Mostly sunny, with a high near 75. Northwest wind 6 to 9 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 45. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 67. Calm wind.
Saturday Night
Mostly cloudy, with a low around 46. Calm wind.
Sunday
Showers likely, mainly between 11am and noon. Mostly cloudy, with a high near 64. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
A chance of showers before 3am. Mostly cloudy, with a low around 47. Calm wind. Chance of precipitation is 40%.
Monday
Mostly cloudy, with a high near 66. Northeast wind 3 to 6 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 48. Calm wind. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 66. East wind 5 to 7 mph. 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:
4:37 am EDT Sep 16, 2026
Forecast Valid:
9am EDT Sep 16, 2026-6pm EDT Sep 22, 2026
 
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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