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

43°F

6°C

Humidity 100%
Wind Speed NW 3 mph
Barometer 30.54 in (1034.3 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 24 Sep 12:52 am EDT
Extended Forecast for

Ayer MA

  • Overnight

    Overnight: Mostly clear, with a low around 44. Light north wind.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64. Northeast wind 6 to 10 mph, with gusts as high as 23 mph.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47. North wind 3 to 6 mph.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain, mainly after 3pm. Increasing clouds, with a high near 63. Northeast wind 9 to 11 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 9pm. Cloudy, with a low around 50. North wind 11 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.

    Low: 50 °F

    Rain Likely

  • Saturday

    Saturday: Rain. High near 60. North wind around 15 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.

    High: 60 °F

    Rain

  • Saturday Night

    Saturday Night: Rain before 8pm, then showers after 8pm. Low around 50. North wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Rain

  • Sunday

    Sunday: Showers likely. Mostly cloudy, with a high near 60. North wind 11 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.

    High: 60 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely. Cloudy, with a low around 50. North wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 44. Light north wind.
Thursday
Sunny, with a high near 64. Northeast wind 6 to 10 mph, with gusts as high as 23 mph.
Thursday Night
Mostly cloudy, with a low around 47. North wind 3 to 6 mph.
Friday
A chance of rain, mainly after 3pm. Increasing clouds, with a high near 63. Northeast wind 9 to 11 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely, mainly after 9pm. Cloudy, with a low around 50. North wind 11 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.
Saturday
Rain. High near 60. North wind around 15 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.
Saturday Night
Rain before 8pm, then showers after 8pm. Low around 50. North wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Sunday
Showers likely. Mostly cloudy, with a high near 60. North wind 11 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.
Sunday Night
Showers likely. Cloudy, with a low around 50. North wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Monday
A chance of showers. Mostly cloudy, with a high near 62. North wind 6 to 8 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 49. Calm wind.
Tuesday
Mostly sunny, with a high near 68. Light northwest wind.
Tuesday Night
Partly cloudy, with a low around 50. Calm wind.
Wednesday
Mostly sunny, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ayer MA
 42.56°N 71.56°W (Elev. 249 ft)
Last Update:
3:22 pm EDT Sep 23, 2026
Forecast Valid:
1am EDT Sep 24, 2026-6pm EDT Sep 30, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation