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

31°F

-1°C

Humidity 96%
Wind Speed S 5 mph
Barometer 29.78 in (1008.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 14 Mar 1:52 am EDT
Extended Forecast for

Ayer MA

  • Overnight

    Overnight: A chance of rain and snow showers before 3am, then a chance of rain showers between 3am and 5am. Cloudy early, then clearing, with a low around 32. Southwest wind around 6 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: Scattered sprinkles between 11am and 2pm. Cloudy, then gradual clearing during the afternoon, with a high near 43. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 41 mph.

    High: 43 °F

    Mostly Cloudy
    then Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. West wind 5 to 10 mph, with gusts as high as 28 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 45. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 45 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 3am. Mostly cloudy, with a low around 34. Southeast wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain, mainly after 7am. High near 61. South wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.

    High: 61 °F

    Rain

  • Monday Night

    Monday Night: Rain, mainly before 5am. Low around 39. South wind 13 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 100%.

    Low: 39 °F

    Rain

  • Tuesday

    Tuesday: A chance of rain before 8am. Partly sunny, with a high near 48. West wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    High: 48 °F

    Chance Rain
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. West wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of rain and snow showers before 3am, then a chance of rain showers between 3am and 5am. Cloudy early, then clearing, with a low around 32. Southwest wind around 6 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
Saturday
Scattered sprinkles between 11am and 2pm. Cloudy, then gradual clearing during the afternoon, with a high near 43. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 41 mph.
Saturday Night
Mostly clear, with a low around 26. West wind 5 to 10 mph, with gusts as high as 28 mph.
Sunday
Mostly cloudy, with a high near 45. Calm wind becoming southeast around 6 mph in the afternoon.
Sunday Night
A chance of rain, mainly after 3am. Mostly cloudy, with a low around 34. Southeast wind 3 to 5 mph. Chance of precipitation is 30%.
Monday
Rain, mainly after 7am. High near 61. South wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.
Monday Night
Rain, mainly before 5am. Low around 39. South wind 13 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 100%.
Tuesday
A chance of rain before 8am. Partly sunny, with a high near 48. West wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 20. West wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 39. West wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 24. Calm wind.
Thursday
Partly sunny, with a high near 46. Calm wind becoming south 5 to 7 mph in the morning.
Thursday Night
Partly cloudy, with a low around 28. Light south wind.
Friday
Mostly sunny, with a high near 49. Southwest wind 3 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:
1:44 am EDT Mar 14, 2026
Forecast Valid:
2am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation