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

15°F

-9°C

Humidity 44%
Wind Speed NW 13 G 26 mph
Barometer 30.24 in (1024.7 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 4 Dec 10:52 pm EST
Extended Forecast for

Ayer MA

  • Tonight

    Tonight: Mostly clear, with a low around 4. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 23 mph.

    Low: 4 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 25. Calm wind becoming southwest around 5 mph.

    High: 25 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 14. Calm wind.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow before noon, then a slight chance of rain between noon and 2pm. Mostly cloudy, with a high near 38. Calm wind becoming south around 5 mph. Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 36. Calm wind becoming northwest around 5 mph.

    High: 36 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of snow after 10pm. Mostly cloudy, with a low around 17. Light northwest wind. Chance of precipitation is 30%.

    Low: 17 °F

    Chance Snow

  • Monday

    Monday: Mostly sunny, with a high near 27. Northwest wind 6 to 9 mph.

    High: 27 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 5. Northwest wind around 5 mph becoming calm in the evening.

    Low: 5 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 4. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 23 mph.
Friday
Sunny, with a high near 25. Calm wind becoming southwest around 5 mph.
Friday Night
Mostly cloudy, with a low around 14. Calm wind.
Saturday
A slight chance of snow before noon, then a slight chance of rain between noon and 2pm. Mostly cloudy, with a high near 38. Calm wind becoming south around 5 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 21. Calm wind.
Sunday
Partly sunny, with a high near 36. Calm wind becoming northwest around 5 mph.
Sunday Night
A chance of snow after 10pm. Mostly cloudy, with a low around 17. Light northwest wind. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 27. Northwest wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 5. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 30. Calm wind becoming southwest 5 to 7 mph in the morning.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 21. Light southwest wind. Chance of precipitation is 50%.
Wednesday
Mostly cloudy, with a high near 38. Calm wind becoming southwest around 6 mph.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Light southwest wind. Chance of precipitation is 50%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 40. West wind 3 to 6 mph. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ayer MA
 42.56°N 71.59°W (Elev. 249 ft)
Last Update:
9:56 pm EST Dec 4, 2025
Forecast Valid:
11pm EST Dec 4, 2025-6pm EST Dec 11, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation