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

22°F

-6°C

Humidity 96%
Wind Speed Calm
Barometer 30.33 in (1027.5 mb)
Dewpoint 21°F (-6°C)
Visibility 9.00 mi
Last update 9 Jan 3:52 am EST
Extended Forecast for

Ayer MA

  • Today

    Today: A chance of showers after 5pm. Patchy fog between 9am and 11am. Patchy freezing fog before 9am. Otherwise, mostly cloudy, with a high near 48. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog then
    Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly before 8pm. Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 36. South wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Showers
    Likely and
    Patchy Fog
    then Patchy
    Fog

  • Saturday

    Saturday: A chance of rain, mainly after 3pm. Increasing clouds, with a high near 45. Light and variable wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Partly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain. Patchy fog before 8pm. Low around 34. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Rain and
    Patchy Fog

  • Sunday

    Sunday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 41. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 70%.

    High: 41 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight. Partly cloudy, with a low around 25. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 37. West wind 7 to 11 mph, with gusts as high as 23 mph.

    High: 37 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. Southwest wind around 5 mph.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42. Southwest wind 6 to 8 mph.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers after 5pm. Patchy fog between 9am and 11am. Patchy freezing fog before 9am. Otherwise, mostly cloudy, with a high near 48. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely, mainly before 8pm. Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 36. South wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain, mainly after 3pm. Increasing clouds, with a high near 45. Light and variable wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Patchy fog before 8pm. Low around 34. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 41. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight. Partly cloudy, with a low around 25. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Monday
Sunny, with a high near 37. West wind 7 to 11 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 26. Southwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 42. Southwest wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 30. Light southwest wind.
Wednesday
Mostly cloudy, with a high near 45. Southwest wind 5 to 7 mph.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 28. Light west wind. Chance of precipitation is 30%.
Thursday
Mostly cloudy, with a high near 37. Northwest wind 3 to 6 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:
12:42 am EST Jan 9, 2026
Forecast Valid:
4am EST Jan 9, 2026-6pm EST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation