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

59°F

15°C

Humidity 78%
Wind Speed NW 7 mph
Barometer 29.96 in (1014.7 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 14 Oct 11:52 pm EDT
Extended Forecast for

Ayer MA

  • Overnight

    Overnight: Partly cloudy, with a low around 46. Northwest wind around 7 mph.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 60. North wind 5 to 8 mph, with gusts as high as 20 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 3am. Increasing clouds, with a low around 41. Calm wind. Chance of precipitation is 30%.

    Low: 41 °F

    Mostly Clear
    then Chance
    Showers

  • Friday

    Friday: Showers. Patchy fog before 2pm. High near 65. Southeast wind around 6 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 65 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers likely, mainly before 2am. Patchy fog between 8pm and midnight. Otherwise, mostly cloudy, with a low around 40. Northwest wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    Low: 40 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Partly sunny, with a high near 48. Northwest wind 13 to 15 mph, with gusts as high as 32 mph.

    High: 48 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 9pm. Otherwise, mostly clear, with a low around 29. West wind 3 to 5 mph.

    Low: 29 °F

    Patchy Frost

  • Sunday

    Sunday: Areas of frost before 10am. Otherwise, sunny, with a high near 54. West wind 3 to 6 mph.

    High: 54 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Patchy frost after midnight. Otherwise, mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Clear
    then Patchy
    Frost

Detailed Forecast

Overnight
Partly cloudy, with a low around 46. Northwest wind around 7 mph.
Thursday
Sunny, with a high near 60. North wind 5 to 8 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers, mainly after 3am. Increasing clouds, with a low around 41. Calm wind. Chance of precipitation is 30%.
Friday
Showers. Patchy fog before 2pm. High near 65. Southeast wind around 6 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers likely, mainly before 2am. Patchy fog between 8pm and midnight. Otherwise, mostly cloudy, with a low around 40. Northwest wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Saturday
Partly sunny, with a high near 48. Northwest wind 13 to 15 mph, with gusts as high as 32 mph.
Saturday Night
Patchy frost after 9pm. Otherwise, mostly clear, with a low around 29. West wind 3 to 5 mph.
Sunday
Areas of frost before 10am. Otherwise, sunny, with a high near 54. West wind 3 to 6 mph.
Sunday Night
Patchy frost after midnight. Otherwise, mostly clear, with a low around 33. Calm wind.
Monday
Patchy frost before 9am. Otherwise, sunny, with a high near 62. Southwest wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 39. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 64. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 40. Calm wind.
Wednesday
Sunny, with a high near 62. Light and variable wind.
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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:
8:54 pm EDT Oct 14, 2026
Forecast Valid:
12am EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation