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

25°C

77°F

Humidity 77%
Wind Speed S 9 km/h
Barometer 1019.1 mb (30.10 in)
Dewpoint 21°C (69°F)
Visibility 16 km
Heat Index26°C (79°F)
Last update 12 Jul 8:52 pm EDT
Extended Forecast for

Ashburnham MA

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 16. Calm wind.

    Low: 16 °C

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 28. South wind 5 to 11 km/h.

    High: 28 °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 17. South wind 5 to 10 km/h. Chance of precipitation is 60%.

    Low: 17 °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 26. Southwest wind 8 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: 26 °C

    Showers
    Likely and
    Patchy Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 18. Calm wind. Chance of precipitation is 30%.

    Low: 18 °C

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 31. West wind 3 to 8 km/h.

    High: 31 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. Calm wind.

    Low: 19 °C

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 31. Calm wind becoming southwest 5 to 10 km/h in the morning.

    High: 31 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21. Southwest wind around 10 km/h.

    Low: 21 °C

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 16. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 28. South wind 5 to 11 km/h.
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 17. South wind 5 to 10 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 26. Southwest wind 8 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 10pm, then a slight chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 18. Calm wind. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 31. West wind 3 to 8 km/h.
Tuesday Night
Mostly clear, with a low around 19. Calm wind.
Wednesday
Sunny, with a high near 31. Calm wind becoming southwest 5 to 10 km/h in the morning.
Wednesday Night
Partly cloudy, with a low around 21. Southwest wind around 10 km/h.
Thursday
A chance of showers after 1pm. Mostly sunny, with a high near 30. Southwest wind 10 to 14 km/h. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 21. Southwest wind around 11 km/h. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 29. West wind around 11 km/h. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 18. South wind 5 to 8 km/h becoming northwest after midnight. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 27. North wind 8 to 10 km/h. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Ashburnham MA
 42.65°N 71.9°W (Elev. 1099 m)
Last Update:
6:14 pm EDT Jul 12, 2025
Forecast Valid:
9pm EDT Jul 12, 2025-6pm EDT Jul 19, 2025
 
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