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

42°F

6°C

Humidity 38%
Wind Speed Calm
Barometer 30.35 in (1028.3 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 25 Mar 10:52 am EDT
Extended Forecast for

Ayer MA

  • Today

    Today: Mostly sunny, with a high near 56. Southwest wind around 8 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Cloudy, with a low around 39. South wind around 6 mph, with gusts as high as 22 mph.

    Low: 39 °F

    Cloudy

  • Thursday

    Thursday: A slight chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 68. Southwest wind 8 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 68 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely before 9pm, then rain, mainly after 9pm. Low around 42. South wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 8am. Partly sunny, with a high near 45. Northwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 45 °F

    Rain Likely
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 20. North wind around 5 mph.

    Low: 20 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 38. Northwest wind 3 to 7 mph.

    High: 38 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24. Light west wind.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 46. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 56. Southwest wind around 8 mph.
Tonight
Cloudy, with a low around 39. South wind around 6 mph, with gusts as high as 22 mph.
Thursday
A slight chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 68. Southwest wind 8 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Thursday Night
Showers likely before 9pm, then rain, mainly after 9pm. Low around 42. South wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely, mainly before 8am. Partly sunny, with a high near 45. Northwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 20. North wind around 5 mph.
Saturday
Mostly sunny, with a high near 38. Northwest wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 24. Light west wind.
Sunday
Mostly sunny, with a high near 46. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 28. Light southwest wind.
Monday
Mostly cloudy, with a high near 54. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 39. Southwest wind around 7 mph.
Tuesday
Mostly cloudy, with a high near 56. West wind 6 to 9 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:
7:53 am EDT Mar 25, 2026
Forecast Valid:
11am EDT Mar 25, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation