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.

Mostly Cloudy

47°F

8°C

Humidity 56%
Wind Speed Calm
Barometer 29.59 in (1002.1 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 14 Jan 4:52 pm EST
Extended Forecast for

Ayer MA

  • This Afternoon

    This Afternoon: A slight chance of rain. Mostly cloudy, with a high near 50. Calm wind. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain likely, mainly after 10pm. Patchy fog after 10pm. Otherwise, cloudy, with a low around 37. Calm wind. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely
    and Patchy
    Fog

  • Thursday

    Thursday: A chance of rain, mainly before 9am. Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 46. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 30%.

    High: 46 °F

    Chance Rain
    and Patchy
    Fog then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16. West wind 6 to 10 mph, with gusts as high as 29 mph.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 31. West wind 7 to 11 mph, with gusts as high as 31 mph.

    High: 31 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of snow after 3am. Mostly cloudy, with a low around 22. Light southwest wind. Chance of precipitation is 20%.

    Low: 22 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A chance of rain after 1pm. Mostly cloudy, with a high near 40. Southwest wind 3 to 7 mph. Chance of precipitation is 40%.

    High: 40 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A chance of rain and snow before 9pm, then a chance of rain between 9pm and 11pm. Mostly cloudy, with a low around 25. Calm wind. Chance of precipitation is 30%.

    Low: 25 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 36. Calm wind becoming west around 6 mph in the morning.

    High: 36 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A slight chance of rain. Mostly cloudy, with a high near 50. Calm wind. Chance of precipitation is 20%.
Tonight
Rain likely, mainly after 10pm. Patchy fog after 10pm. Otherwise, cloudy, with a low around 37. Calm wind. Chance of precipitation is 60%.
Thursday
A chance of rain, mainly before 9am. Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 46. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 16. West wind 6 to 10 mph, with gusts as high as 29 mph.
Friday
Sunny, with a high near 31. West wind 7 to 11 mph, with gusts as high as 31 mph.
Friday Night
A slight chance of snow after 3am. Mostly cloudy, with a low around 22. Light southwest wind. Chance of precipitation is 20%.
Saturday
A chance of rain after 1pm. Mostly cloudy, with a high near 40. Southwest wind 3 to 7 mph. Chance of precipitation is 40%.
Saturday Night
A chance of rain and snow before 9pm, then a chance of rain between 9pm and 11pm. Mostly cloudy, with a low around 25. Calm wind. Chance of precipitation is 30%.
Sunday
Mostly cloudy, with a high near 36. Calm wind becoming west around 6 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 18. West wind around 5 mph.
M.L.King Day
Mostly sunny, with a high near 31. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 14. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 24. West wind 6 to 10 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 9. West wind around 6 mph.
Wednesday
Mostly sunny, with a high near 24.
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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:
1:13 pm EST Jan 14, 2026
Forecast Valid:
5pm EST Jan 14, 2026-6pm EST Jan 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation