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

60°F

16°C

Humidity 78%
Wind Speed E 5 mph
Barometer 29.92 in (1013.1 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 15 Apr 8:52 pm EDT
Extended Forecast for

Ayer MA

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 56. Light east wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 74. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers and
    Patchy Fog
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 75. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A slight chance of showers before 10pm. Mostly cloudy, with a low around 48. Light northeast wind. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 63. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 63 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of showers after 3am. Mostly cloudy, with a low around 47. Light south wind. Chance of precipitation is 30%.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 10am. Cloudy, with a high near 60. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    High: 60 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of rain showers before 2am, then a chance of snow showers. Mostly cloudy, with a low around 33. West wind 6 to 8 mph. Chance of precipitation is 50%.

    Low: 33 °F

    Chance
    Showers then
    Chance
    Rain/Snow

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 56. Light east wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 74. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 75. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers before 10pm. Mostly cloudy, with a low around 48. Light northeast wind. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 63. Calm wind becoming east 5 to 7 mph in the afternoon.
Saturday Night
A chance of showers after 3am. Mostly cloudy, with a low around 47. Light south wind. Chance of precipitation is 30%.
Sunday
Showers likely, mainly after 10am. Cloudy, with a high near 60. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
A chance of rain showers before 2am, then a chance of snow showers. Mostly cloudy, with a low around 33. West wind 6 to 8 mph. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 48. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 29. Northwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 55. West wind 5 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 40. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 63. West wind 6 to 9 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:
6:33 pm EDT Apr 15, 2026
Forecast Valid:
8pm EDT Apr 15, 2026-6pm EDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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