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

29°F

-2°C

Humidity 72%
Wind Speed NW 6 mph
Barometer 30.18 in (1022.3 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 24 Mar 3:52 am EDT
Extended Forecast for

Ayer MA

  • Today

    Today: Mostly sunny, with a high near 47. North wind around 5 mph becoming calm in the morning.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 29. Light southwest wind.

    Low: 29 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 2am. Mostly cloudy, with a low around 36. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A slight chance of rain before 2pm. Mostly cloudy, with a high near 61. Southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 61 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 9pm. Low around 43. Southwest wind around 8 mph. Chance of precipitation is 80%.

    Low: 43 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 7am. Mostly sunny, with a high near 47. Northwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 47 °F

    Rain Likely
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 19. North wind around 6 mph.

    Low: 19 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 39. West wind 3 to 7 mph.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 47. North wind around 5 mph becoming calm in the morning.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 29. Light southwest wind.
Wednesday
Mostly sunny, with a high near 53. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
A slight chance of rain after 2am. Mostly cloudy, with a low around 36. South wind around 5 mph. Chance of precipitation is 20%.
Thursday
A slight chance of rain before 2pm. Mostly cloudy, with a high near 61. Southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Thursday Night
Rain, mainly after 9pm. Low around 43. Southwest wind around 8 mph. Chance of precipitation is 80%.
Friday
Rain likely, mainly before 7am. Mostly sunny, with a high near 47. Northwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 19. North wind around 6 mph.
Saturday
Mostly sunny, with a high near 39. West wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 23. Light west wind.
Sunday
Sunny, with a high near 48. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 30. Southwest wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 54. West wind 5 to 10 mph, with gusts as high as 21 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:
3:11 am EDT Mar 24, 2026
Forecast Valid:
4am EDT Mar 24, 2026-6pm EDT Mar 30, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation