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

27°F

-3°C

Humidity 75%
Wind Speed Calm
Barometer 30.00 in (1016.3 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 13 Jan 3:52 am EST
Extended Forecast for

Ayer MA

  • Today

    Today: Increasing clouds, with a high near 44. Southwest wind 3 to 6 mph.

    High: 44 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A slight chance of showers between midnight and 4am. Mostly cloudy, with a low around 34. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 11am, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 48. Southwest wind 3 to 7 mph. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers. Cloudy, with a low around 30. Light south wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 30 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of rain showers before 3pm, then a slight chance of snow showers between 3pm and 4pm. Partly sunny, with a high near 38. West wind 8 to 17 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 38 °F

    Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12. West wind 11 to 16 mph.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 29. West wind 6 to 13 mph.

    High: 29 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21. Southwest wind 3 to 5 mph.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42. Southwest wind 3 to 8 mph. Winds could gust as high as 20 mph.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 44. Southwest wind 3 to 6 mph.
Tonight
A slight chance of showers between midnight and 4am. Mostly cloudy, with a low around 34. South wind around 6 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers before 11am, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 48. Southwest wind 3 to 7 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers. Cloudy, with a low around 30. Light south wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of rain showers before 3pm, then a slight chance of snow showers between 3pm and 4pm. Partly sunny, with a high near 38. West wind 8 to 17 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 12. West wind 11 to 16 mph.
Friday
Sunny, with a high near 29. West wind 6 to 13 mph.
Friday Night
Mostly cloudy, with a low around 21. Southwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 42. Southwest wind 3 to 8 mph. Winds could gust as high as 20 mph.
Saturday Night
A chance of snow showers after 9pm. Mostly cloudy, with a low around 24. Light west wind. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 35. West wind 3 to 8 mph. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 19. West wind around 6 mph.
M.L.King Day
Partly sunny, with a high near 30. West wind 6 to 10 mph, with gusts as high as 23 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:
2:47 am EST Jan 13, 2026
Forecast Valid:
4am EST Jan 13, 2026-6pm EST Jan 19, 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