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.

Overcast

49°F

9°C

Humidity 90%
Wind Speed SW 12 G 25 mph
Barometer 29.93 in (1013.8 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 9 Jan 8:52 pm EST
Extended Forecast for

Ayer MA

  • Tonight

    Tonight: Showers likely, mainly before 9pm. Patchy fog before 11pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 35. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%.

    Low: 35 °F

    Showers
    Likely and
    Patchy Fog
    then Mostly
    Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 45. Light and variable wind.

    High: 45 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Rain, mainly after 7pm. Low around 35. Light northeast wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain

  • Sunday

    Sunday: Rain likely, mainly before 9am. Mostly cloudy, with a high near 42. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Rain Likely
    then Chance
    Rain

  • Sunday Night

    Sunday Night: A slight chance of snow showers between 10pm and 2am. Partly cloudy, with a low around 24. Breezy, with a west wind 11 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 36. West wind 9 to 13 mph, with gusts as high as 32 mph.

    High: 36 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. Southwest wind 3 to 6 mph.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42. Southwest wind 5 to 8 mph, with gusts as high as 20 mph.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers between 1am and 4am. Mostly cloudy, with a low around 30. Southwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Showers likely, mainly before 9pm. Patchy fog before 11pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 35. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Saturday
Increasing clouds, with a high near 45. Light and variable wind.
Saturday Night
Rain, mainly after 7pm. Low around 35. Light northeast wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain likely, mainly before 9am. Mostly cloudy, with a high near 42. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A slight chance of snow showers between 10pm and 2am. Partly cloudy, with a low around 24. Breezy, with a west wind 11 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 36. West wind 9 to 13 mph, with gusts as high as 32 mph.
Monday Night
Mostly cloudy, with a low around 27. Southwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 42. Southwest wind 5 to 8 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers between 1am and 4am. Mostly cloudy, with a low around 30. Southwest wind around 6 mph. Chance of precipitation is 30%.
Wednesday
Mostly cloudy, with a high near 46. Southwest wind 6 to 8 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 26. Light southwest wind.
Thursday
Mostly cloudy, with a high near 36. Northwest wind 3 to 6 mph.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 18. North wind 3 to 5 mph. Chance of precipitation is 40%.
Friday
Mostly cloudy, with a high near 28. Northwest wind 6 to 8 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:
7:25 pm EST Jan 9, 2026
Forecast Valid:
8pm EST Jan 9, 2026-6pm EST Jan 16, 2026
 
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Additional Resources

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Chance of Precipitation