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.

Overcast

71°F

22°C

Humidity 47%
Wind Speed W 12 G 23 mph
Barometer 29.84 in (1010.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 13 Apr 2:52 pm EDT
Extended Forecast for

Ayer MA

  • This Afternoon

    This Afternoon: A chance of showers, mainly after 5pm. Mostly cloudy, with a high near 73. Southwest wind around 13 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 55. West wind 5 to 7 mph, with gusts as high as 23 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 59. Southwest wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 82. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 40%.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Light west wind. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 75. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 40%.

    High: 75 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 3am. Mostly cloudy, with a low around 56. Light and variable wind. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A chance of showers, mainly after 5pm. Mostly cloudy, with a high near 73. Southwest wind around 13 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Tonight
Mostly clear, with a low around 55. West wind 5 to 7 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 81. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 59. Southwest wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 82. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Light west wind. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 75. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
A chance of showers before 3am. Mostly cloudy, with a low around 56. Light and variable wind. Chance of precipitation is 30%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Friday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 50. Light northeast wind. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 66. East wind 3 to 7 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 49. Light east wind. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly cloudy, with a high near 72. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
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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:
1:12 pm EDT Apr 13, 2026
Forecast Valid:
2pm EDT Apr 13, 2026-6pm EDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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