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

44°F

7°C

Humidity 43%
Wind Speed N 9 mph
Barometer 30.37 in (1028.5 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 11 Apr 10:52 pm EDT
Extended Forecast for

Ayer MA

  • Tonight

    Tonight: Clear, with a low around 33. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 33 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 59. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 59 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Scattered showers, mainly after 9pm. Cloudy, with a low around 43. South wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Scattered
    Showers

  • Monday

    Monday: Isolated showers after 1pm. Mostly cloudy, with a high near 70. Southwest wind 11 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    High: 70 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Monday Night

    Monday Night: A slight chance of showers between 8pm and 1am. Mostly cloudy, with a low around 58. West wind 5 to 9 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 78. West wind 3 to 7 mph.

    High: 78 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers between 9pm and 2am. Mostly cloudy, with a low around 58. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 81. Calm wind becoming west 5 to 8 mph in the morning.

    High: 81 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers before 5am. Mostly cloudy, with a low around 57. Southwest wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 33. Northwest wind 5 to 7 mph becoming calm after midnight.
Sunday
Increasing clouds, with a high near 59. Calm wind becoming south 5 to 7 mph in the afternoon.
Sunday Night
Scattered showers, mainly after 9pm. Cloudy, with a low around 43. South wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Isolated showers after 1pm. Mostly cloudy, with a high near 70. Southwest wind 11 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers between 8pm and 1am. Mostly cloudy, with a low around 58. West wind 5 to 9 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 78. West wind 3 to 7 mph.
Tuesday Night
A chance of showers between 9pm and 2am. Mostly cloudy, with a low around 58. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 81. Calm wind becoming west 5 to 8 mph in the morning.
Wednesday Night
A chance of showers before 5am. Mostly cloudy, with a low around 57. Southwest wind 3 to 5 mph. Chance of precipitation is 40%.
Thursday
Mostly cloudy, with a high near 78. West wind 3 to 8 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 54. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 73. Light and variable wind becoming north around 6 mph in the morning. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 48. Light and variable wind.
Saturday
Mostly sunny, with a high near 72. Calm wind becoming south 5 to 7 mph in the afternoon.
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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:
10:14 pm EDT Apr 11, 2026
Forecast Valid:
11pm EDT Apr 11, 2026-6pm EDT Apr 18, 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