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.

Light Rain Fog/Mist

62°F

17°C

Humidity 90%
Wind Speed NE 12 G 18 mph
Barometer 29.89 in (1012.3 mb)
Dewpoint 59°F (15°C)
Visibility 3.00 mi
Last update 17 Apr 12:52 pm EDT
Extended Forecast for

Ayer MA

  • This Afternoon

    This Afternoon: A chance of rain before 3pm. Mostly cloudy, with a high near 68. Northeast wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance Rain

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 57. East wind 3 to 7 mph.

    High: 57 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A slight chance of showers after 3am. Cloudy, with a low around 44. Light southeast wind. Chance of precipitation is 20%.

    Low: 44 °F

    Cloudy then
    Slight Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 9am. High near 57. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 80%.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 8pm. Low around 32. West wind around 6 mph. Chance of precipitation is 80%.

    Low: 32 °F

    Showers then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 49. West wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Northwest wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 53. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 53 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of rain before 3pm. Mostly cloudy, with a high near 68. Northeast wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 47. Calm wind.
Saturday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 57. East wind 3 to 7 mph.
Saturday Night
A slight chance of showers after 3am. Cloudy, with a low around 44. Light southeast wind. Chance of precipitation is 20%.
Sunday
Showers, mainly after 9am. High near 57. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 80%.
Sunday Night
Showers, mainly before 8pm. Low around 32. West wind around 6 mph. Chance of precipitation is 80%.
Monday
Mostly sunny, with a high near 49. West wind 7 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 27. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 53. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 37. Southwest wind around 5 mph.
Wednesday
Partly sunny, with a high near 62. West wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 38. West wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 63. Northwest wind 3 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ayer MA
 42.56°N 71.59°W (Elev. 249 ft)
Last Update:
5:24 am EDT Apr 17, 2026
Forecast Valid:
1pm EDT Apr 17, 2026-6pm EDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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