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

73°F

23°C

Humidity 66%
Wind Speed S 8 mph
Barometer 30.13 in (1020.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 7 Oct 10:52 am EDT
Extended Forecast for

Ayer MA

  • Today

    Today: Mostly sunny, with a high near 81. Southwest wind 8 to 10 mph, with gusts as high as 23 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 56. South wind 7 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Mostly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers. Patchy fog before 1pm. High near 67. West wind around 8 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 67 °F

    Showers and
    Patchy Fog
    then Showers
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 39. Northwest wind 6 to 8 mph.

    Low: 39 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 57. North wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy frost after 11pm. Otherwise, clear, with a low around 27. Light northwest wind.

    Low: 27 °F

    Patchy Frost

  • Friday

    Friday: Patchy frost before 10am. Otherwise, sunny, with a high near 63. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 63 °F

    Patchy Frost
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. Light southwest wind.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 68. Calm wind becoming west around 5 mph in the afternoon.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 81. Southwest wind 8 to 10 mph, with gusts as high as 23 mph.
Tonight
A chance of showers, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 56. South wind 7 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. Patchy fog before 1pm. High near 67. West wind around 8 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 39. Northwest wind 6 to 8 mph.
Thursday
Sunny, with a high near 57. North wind 7 to 9 mph, with gusts as high as 20 mph.
Thursday Night
Patchy frost after 11pm. Otherwise, clear, with a low around 27. Light northwest wind.
Friday
Patchy frost before 10am. Otherwise, sunny, with a high near 63. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 39. Light southwest wind.
Saturday
Sunny, with a high near 68. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 42. Calm wind.
Sunday
Mostly sunny, with a high near 64. Northeast wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 43. Light north wind.
Columbus Day
Mostly sunny, with a high near 64. Northeast wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ayer MA
 42.56°N 71.56°W (Elev. 249 ft)
Last Update:
6:23 am EDT Oct 7, 2025
Forecast Valid:
11am EDT Oct 7, 2025-6pm EDT Oct 13, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation