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

69°F

21°C

Humidity 73%
Wind Speed S 3 mph
Barometer 29.93 in (1013.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 24 Aug 9:52 pm EDT
Extended Forecast for

Ayer MA

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 63. South wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 81. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. West wind 3 to 5 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. West wind 6 to 9 mph, with gusts as high as 21 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. West wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Light west wind.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Calm wind becoming west around 6 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. Light southwest wind.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 63. South wind around 5 mph becoming calm in the evening.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 81. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 56. West wind 3 to 5 mph.
Tuesday
Sunny, with a high near 78. West wind 6 to 9 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 52. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 51. Light west wind.
Thursday
Mostly sunny, with a high near 79. Calm wind becoming west around 6 mph in the morning.
Thursday Night
Partly cloudy, with a low around 54. Light southwest wind.
Friday
Mostly sunny, with a high near 77. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 51. Light and variable wind.
Saturday
Sunny, with a high near 76. Calm wind becoming north around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 52. Calm wind.
Sunday
Mostly sunny, with a high near 79. Calm wind becoming west around 5 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:
8:00 pm EDT Aug 24, 2025
Forecast Valid:
10pm EDT Aug 24, 2025-6pm EDT Aug 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation