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

48°F

9°C

Humidity 30%
Wind Speed SE 6 mph
Barometer 30.51 in (1033.4 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 12 Apr 10:52 am EDT
Extended Forecast for

Ayer MA

  • Today

    Today: Increasing clouds, with a high near 59. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 59 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Showers likely, mainly between 11pm and 5am. Cloudy, with a low around 43. South wind around 7 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Showers
    Likely

  • Monday

    Monday: Isolated showers before 7am, then scattered showers after noon. Mostly cloudy, with a high near 70. Southwest wind 11 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    High: 70 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 57. West wind 5 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 57 °F

    Scattered
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Isolated showers after 3pm. Mostly sunny, with a high near 80. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

    High: 80 °F

    Mostly Sunny
    then Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly before 1am. Mostly cloudy, with a low around 59. Southwest wind 3 to 6 mph. Chance of precipitation is 40%.

    Low: 59 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 80. West wind 3 to 7 mph.

    High: 80 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 55. Light west wind. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 77. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 59. Calm wind becoming south 5 to 8 mph in the afternoon.
Tonight
Showers likely, mainly between 11pm and 5am. Cloudy, with a low around 43. South wind around 7 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Isolated showers before 7am, then scattered showers after noon. Mostly cloudy, with a high near 70. Southwest wind 11 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Monday Night
Scattered showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 57. West wind 5 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Tuesday
Isolated showers after 3pm. Mostly sunny, with a high near 80. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Scattered showers, mainly before 1am. Mostly cloudy, with a low around 59. Southwest wind 3 to 6 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 80. West wind 3 to 7 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 55. Light west wind. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 77. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 56. South wind 3 to 5 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 76. Northwest wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 51. Light north wind.
Saturday
Mostly sunny, with a high near 74. 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:
4:12 am EDT Apr 12, 2026
Forecast Valid:
11am EDT Apr 12, 2026-6pm EDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation