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

45°F

7°C

Humidity 100%
Wind Speed Calm
Barometer 30.37 in (1028.6 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 4 Oct 12:52 am EDT
Extended Forecast for

Ayer MA

  • Overnight

    Overnight: Mostly clear, with a low around 42. Light north wind.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 64. Light and variable wind becoming east 5 to 8 mph in the morning.

    High: 64 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A chance of showers, mainly before midnight. Mostly cloudy, with a low around 48. North wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 67. West wind 5 to 13 mph, with gusts as high as 24 mph.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. West wind 5 to 7 mph.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58. West wind 7 to 9 mph, with gusts as high as 21 mph.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 36. Light west wind.

    Low: 36 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. Southwest wind around 6 mph.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 42. Light north wind.
Sunday
Increasing clouds, with a high near 64. Light and variable wind becoming east 5 to 8 mph in the morning.
Sunday Night
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 48. North wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 67. West wind 5 to 13 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 39. West wind 5 to 7 mph.
Tuesday
Sunny, with a high near 58. West wind 7 to 9 mph, with gusts as high as 21 mph.
Tuesday Night
Clear, with a low around 36. Light west wind.
Wednesday
Sunny, with a high near 64. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 45. Southwest wind around 6 mph.
Thursday
Sunny, with a high near 69. Southwest wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 45. Light west wind.
Friday
Sunny, with a high near 68. West wind 5 to 9 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 45. West wind 3 to 5 mph.
Saturday
Sunny, with a high near 65. West wind 5 to 8 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:
7:26 pm EDT Oct 3, 2026
Forecast Valid:
1am EDT Oct 4, 2026-6pm EDT Oct 10, 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