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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Ayer MA

  • Today

    Today: A chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 73. Light and variable wind becoming north around 6 mph in the morning. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Partly cloudy, with a low around 52. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 71. Calm wind becoming north around 6 mph in the afternoon.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 50. Calm wind.

    Low: 50 °F

    Clear

  • Labor Day

    Labor Day: Sunny, with a high near 77. Northwest wind 5 to 7 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Light west wind.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Northwest wind 3 to 6 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 77. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 77 °F

    Partly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 73. Light and variable wind becoming north around 6 mph in the morning. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Partly cloudy, with a low around 52. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Sunny, with a high near 71. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Clear, with a low around 50. Calm wind.
Labor Day
Sunny, with a high near 77. Northwest wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 56. Light west wind.
Tuesday
Mostly sunny, with a high near 78. Northwest wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 56. Calm wind.
Wednesday
Partly sunny, with a high near 77. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 65. Southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Thursday
Partly sunny, with a high near 79. West wind 9 to 13 mph, with gusts as high as 29 mph.
Thursday Night
Partly cloudy, with a low around 55. Northwest wind 5 to 8 mph.
Friday
Mostly sunny, with a high near 72. Northwest wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Ayer MA
 42.56°N 71.59°W (Elev. 249 ft)
Last Update:
2:13 am EDT Sep 5, 2026
Forecast Valid:
7am EDT Sep 5, 2026-6pm EDT Sep 11, 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