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

36°F

2°C

Humidity 86%
Wind Speed NW 8 mph
Barometer 29.91 in (1013.2 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 19 Apr 7:52 pm EDT
Extended Forecast for

Ayer MA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 32. West wind 5 to 8 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Monday

    Monday: A slight chance of showers after 2pm. Increasing clouds, with a high near 50. West wind 3 to 7 mph. Chance of precipitation is 20%.

    High: 50 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. North wind around 5 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 33. Light south wind. Chance of precipitation is 20%.

    Low: 33 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 54. South wind 3 to 7 mph.

    High: 54 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 63. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 63 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. Light north wind.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 32. West wind 5 to 8 mph.
Monday
A slight chance of showers after 2pm. Increasing clouds, with a high near 50. West wind 3 to 7 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 28. North wind around 5 mph.
Tuesday
Sunny, with a high near 52. Light and variable wind.
Tuesday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 33. Light south wind. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 54. South wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 37. Calm wind.
Thursday
Partly sunny, with a high near 63. Calm wind becoming northwest 5 to 8 mph in the morning.
Thursday Night
Partly cloudy, with a low around 38. Light north wind.
Friday
Mostly sunny, with a high near 61. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 39. Light and variable wind.
Saturday
A chance of showers. Partly sunny, with a high near 58. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 40. Calm wind. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 61. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 30%.
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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:
1:41 pm EDT Apr 19, 2026
Forecast Valid:
8pm EDT Apr 19, 2026-6pm EDT Apr 26, 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