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.

Light Snow Fog/Mist

16°F

-9°C

Humidity 88%
Wind Speed NE 5 mph
Barometer 30.07 in (1019.1 mb)
Dewpoint 13°F (-11°C)
Visibility 0.75 mi
Wind Chill8°F (-13°C)
Last update 26 Dec 10:52 pm EST
Extended Forecast for

Ayer MA

  • Tonight

    Tonight: Snow likely, mainly before 5am. Cloudy, with a low around 15. Light north wind. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 15 °F

    Snow Likely

  • Saturday

    Saturday: A chance of snow, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 28. North wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Chance Snow
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 12. Calm wind.

    Low: 12 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 39. Light west wind.

    High: 39 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Freezing rain, mainly after 1am. Low around 25. Calm wind. Chance of precipitation is 80%.

    Low: 25 °F

    Chance
    Freezing Rain
    then Freezing
    Rain

  • Monday

    Monday: Rain. High near 44. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 90%.

    High: 44 °F

    Rain

  • Monday Night

    Monday Night: Rain likely, mainly before 7pm. Mostly cloudy, with a low around 23. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 23 °F

    Rain Likely
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 29. West wind 11 to 15 mph, with gusts as high as 30 mph.

    High: 29 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19. West wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly before 5am. Cloudy, with a low around 15. Light north wind. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 3 inches possible.
Saturday
A chance of snow, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 28. North wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly clear, with a low around 12. Calm wind.
Sunday
Increasing clouds, with a high near 39. Light west wind.
Sunday Night
Freezing rain, mainly after 1am. Low around 25. Calm wind. Chance of precipitation is 80%.
Monday
Rain. High near 44. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 90%.
Monday Night
Rain likely, mainly before 7pm. Mostly cloudy, with a low around 23. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 29. West wind 11 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 19. West wind 6 to 9 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 33. West wind 7 to 10 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 18. West wind around 6 mph.
New Year's Day
Mostly sunny, with a high near 28. West wind 6 to 10 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 11. West wind around 6 mph.
Friday
Mostly sunny, with a high near 23. West wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Ayer MA
 42.56°N 71.59°W (Elev. 249 ft)
Last Update:
1:56 pm EST Dec 26, 2025
Forecast Valid:
11pm EST Dec 26, 2025-6pm EST Jan 2, 2026
 
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