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

45°F

7°C

Humidity 93%
Wind Speed NE 6 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 22 May 12:52 am EDT
Extended Forecast for

Ayer MA

  • Overnight

    Overnight: A slight chance of rain before 2am, then a slight chance of rain after 5am. Cloudy, with a low around 44. East wind around 6 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Rain, mainly after 9am. The rain could be heavy at times. Patchy fog. High near 49. East wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 49 °F

    Rain Likely
    and Patchy
    Fog then
    Heavy Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: Rain before 8pm, then showers, mainly after 8pm. The rain could be heavy at times. Patchy fog. Low around 42. Northeast wind 9 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 42 °F

    Heavy Rain
    and Patchy
    Fog

  • Friday

    Friday: Showers likely, mainly before 8am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 51. West wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Showers
    Likely and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of showers, mainly after 7pm. Mostly cloudy, with a low around 44. Calm wind. Chance of precipitation is 40%.

    Low: 44 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, mainly before 5pm. Mostly cloudy, with a high near 59. Northwest wind 5 to 8 mph. Chance of precipitation is 40%.

    High: 59 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45. West wind 3 to 5 mph.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63. Northwest wind 6 to 8 mph.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of rain before 2am, then a slight chance of rain after 5am. Cloudy, with a low around 44. East wind around 6 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday
Rain, mainly after 9am. The rain could be heavy at times. Patchy fog. High near 49. East wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Thursday Night
Rain before 8pm, then showers, mainly after 8pm. The rain could be heavy at times. Patchy fog. Low around 42. Northeast wind 9 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Friday
Showers likely, mainly before 8am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 51. West wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers, mainly after 7pm. Mostly cloudy, with a low around 44. Calm wind. Chance of precipitation is 40%.
Saturday
A chance of showers, mainly before 5pm. Mostly cloudy, with a high near 59. Northwest wind 5 to 8 mph. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 45. West wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 63. Northwest wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 46. Calm wind.
Memorial Day
Mostly sunny, with a high near 72. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 50. Calm wind.
Tuesday
A chance of showers. Partly sunny, with a high near 72. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 51. Light and variable wind. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 67. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 40%.
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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:
6:24 pm EDT May 21, 2025
Forecast Valid:
1am EDT May 22, 2025-6pm EDT May 28, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation