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.

Partly Cloudy

21°F

-6°C

Humidity 88%
Wind Speed Calm
Barometer 30.20 in (1023.0 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 25 Dec 1:52 am EST
Extended Forecast for

Ayer MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 21. South wind 3 to 5 mph.

    Low: 21 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: Isolated snow showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 40. Southwest wind 6 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 20%.

    High: 40 °F

    Isolated Snow
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 9. Wind chill values as low as -5. Northwest wind 11 to 14 mph, with gusts as high as 26 mph.

    Low: 9 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 23. Wind chill values as low as -4. Northwest wind 5 to 9 mph becoming light north in the afternoon.

    High: 23 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A chance of snow, mainly after 9pm. Cloudy, with a low around 14. Calm wind. Chance of precipitation is 50%. New snow accumulation of around an inch possible.

    Low: 14 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow, mainly before 11am. Partly sunny, with a high near 27. Calm wind becoming north around 5 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 13. Calm wind.

    Low: 13 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 38. Calm wind becoming west around 5 mph.

    High: 38 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain and snow before 7pm, then snow. Low around 25. Light south wind. Chance of precipitation is 80%.

    Low: 25 °F

    Rain/Snow
    Likely then
    Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 21. South wind 3 to 5 mph.
Christmas Day
Isolated snow showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 40. Southwest wind 6 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 9. Wind chill values as low as -5. Northwest wind 11 to 14 mph, with gusts as high as 26 mph.
Friday
Increasing clouds, with a high near 23. Wind chill values as low as -4. Northwest wind 5 to 9 mph becoming light north in the afternoon.
Friday Night
A chance of snow, mainly after 9pm. Cloudy, with a low around 14. Calm wind. Chance of precipitation is 50%. New snow accumulation of around an inch possible.
Saturday
A chance of snow, mainly before 11am. Partly sunny, with a high near 27. Calm wind becoming north around 5 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly clear, with a low around 13. Calm wind.
Sunday
Partly sunny, with a high near 38. Calm wind becoming west around 5 mph.
Sunday Night
A chance of rain and snow before 7pm, then snow. Low around 25. Light south wind. Chance of precipitation is 80%.
Monday
Rain and snow, becoming all rain after 7am. High near 43. South wind 5 to 8 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 21. West wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 30. West wind 10 to 14 mph, with gusts as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 17. West wind around 7 mph.
Wednesday
Partly sunny, with a high near 33. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
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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:
1:03 am EST Dec 25, 2025
Forecast Valid:
2am EST Dec 25, 2025-6pm EST Dec 31, 2025
 
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