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

55°F

13°C

Humidity 44%
Wind Speed S 14 G 25 mph
Barometer 29.84 in (1010.6 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 20 Mar 2:52 pm EDT
Extended Forecast for

Ayer MA

  • This Afternoon

    This Afternoon: A chance of rain after 4pm. Mostly cloudy, with a high near 55. South wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly before 2am. Patchy fog after midnight. Low around 37. Southwest wind 3 to 8 mph. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Rain then
    Chance Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 51. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 51 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow after 3am. Increasing clouds, with a low around 33. Calm wind. Chance of precipitation is 20%.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A chance of snow before 9am, then a chance of rain and snow between 9am and 10am, then rain after 10am. High near 51. South wind 3 to 7 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 51 °F

    Rain/Snow
    Likely then
    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 2am. Low around 32. North wind 3 to 5 mph. Chance of precipitation is 80%.

    Low: 32 °F

    Rain

  • Monday

    Monday: A chance of rain and snow before 11am, then a chance of rain between 11am and 5pm. Mostly cloudy, with a high near 42. North wind 6 to 9 mph. Chance of precipitation is 50%.

    High: 42 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. Northwest wind around 6 mph.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 45. Northwest wind 5 to 7 mph.

    High: 45 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of rain after 4pm. Mostly cloudy, with a high near 55. South wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 2am. Patchy fog after midnight. Low around 37. Southwest wind 3 to 8 mph. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 51. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A slight chance of snow after 3am. Increasing clouds, with a low around 33. Calm wind. Chance of precipitation is 20%.
Sunday
A chance of snow before 9am, then a chance of rain and snow between 9am and 10am, then rain after 10am. High near 51. South wind 3 to 7 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Rain, mainly before 2am. Low around 32. North wind 3 to 5 mph. Chance of precipitation is 80%.
Monday
A chance of rain and snow before 11am, then a chance of rain between 11am and 5pm. Mostly cloudy, with a high near 42. North wind 6 to 9 mph. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 25. Northwest wind around 6 mph.
Tuesday
Sunny, with a high near 45. Northwest wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 28. Southwest wind 3 to 5 mph.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 47. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 25. Northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 48. Northwest wind 6 to 8 mph becoming southwest in the afternoon.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 31. South wind around 7 mph. Chance of precipitation is 60%.
Friday
Rain likely. Mostly cloudy, with a high near 48.
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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:
1:08 pm EDT Mar 20, 2026
Forecast Valid:
3pm EDT Mar 20, 2026-6pm EDT Mar 27, 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