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

21°C

69°F

Humidity 90%
Wind Speed SE 6 km/h
Barometer 1019.6 mb (30.12 in)
Dewpoint 19°C (66°F)
Visibility 16 km
Last update 13 Jul 1:52 am EDT
Extended Forecast for

Lunenburg MA

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, cloudy, with a low around 17. Calm wind.

    Low: 17 °C

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 29. Calm wind becoming south 5 to 10 km/h in the morning.

    High: 29 °C

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm between 4am and 5am, then showers likely after 5am. Patchy fog after 4am. Otherwise, increasing clouds, with a low around 18. South wind 3 to 8 km/h. Chance of precipitation is 60%.

    Low: 18 °C

    Partly Cloudy
    then Showers
    Likely and
    Patchy Fog

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 2pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 28. Southwest wind 5 to 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 28 °C

    Showers
    Likely and
    Patchy Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Mostly cloudy, with a low around 19. Calm wind. Chance of precipitation is 30%.

    Low: 19 °C

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 32. Calm wind.

    High: 32 °C

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. Calm wind.

    Low: 21 °C

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 33. Light west wind becoming southwest 6 to 11 km/h in the morning.

    High: 33 °C

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. Southwest wind 5 to 8 km/h.

    Low: 22 °C

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, cloudy, with a low around 17. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 29. Calm wind becoming south 5 to 10 km/h in the morning.
Sunday Night
Showers likely and possibly a thunderstorm between 4am and 5am, then showers likely after 5am. Patchy fog after 4am. Otherwise, increasing clouds, with a low around 18. South wind 3 to 8 km/h. Chance of precipitation is 60%.
Monday
Showers likely, with thunderstorms also possible after 2pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 28. Southwest wind 5 to 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Mostly cloudy, with a low around 19. Calm wind. Chance of precipitation is 30%.
Tuesday
Sunny and hot, with a high near 32. Calm wind.
Tuesday Night
Mostly clear, with a low around 21. Calm wind.
Wednesday
Sunny and hot, with a high near 33. Light west wind becoming southwest 6 to 11 km/h in the morning.
Wednesday Night
Partly cloudy, with a low around 22. Southwest wind 5 to 8 km/h.
Thursday
A chance of showers after 1pm. Mostly sunny and hot, with a high near 32. Southwest wind 8 to 13 km/h. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 21. Southwest wind 8 to 10 km/h. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 30. Southwest wind around 11 km/h. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 19. Calm wind. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 28. North wind 5 to 8 km/h. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lunenburg MA
 42.6°N 71.73°W (Elev. 541 m)
Last Update:
6:14 pm EDT Jul 12, 2025
Forecast Valid:
2am EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
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