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

65°F

18°C

Humidity 66%
Wind Speed SE 7 mph
Barometer 29.80 in (1009.1 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 18 Jun 3:52 am EDT
Extended Forecast for

Ayer MA

  • Overnight

    Overnight: A slight chance of showers. Cloudy, with a low around 61. South wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Showers likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a high near 79. South wind 8 to 15 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 60. West wind 7 to 10 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    Showers then
    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 82. West wind 10 to 13 mph, with gusts as high as 25 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 58. West wind around 9 mph.

    Low: 58 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 79. West wind 11 to 13 mph, with gusts as high as 28 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. West wind 3 to 7 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers after 4pm. Mostly sunny, with a high near 81. Northwest wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 81 °F

    Sunny then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 7pm. Partly cloudy, with a low around 57. Calm wind. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers. Cloudy, with a low around 61. South wind 3 to 5 mph. Chance of precipitation is 20%.
Thursday
Showers likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a high near 79. South wind 8 to 15 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 60. West wind 7 to 10 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Sunny, with a high near 82. West wind 10 to 13 mph, with gusts as high as 25 mph.
Friday Night
Clear, with a low around 58. West wind around 9 mph.
Saturday
Sunny, with a high near 79. West wind 11 to 13 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 57. West wind 3 to 7 mph.
Sunday
A chance of showers after 4pm. Mostly sunny, with a high near 81. Northwest wind 5 to 8 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers before 7pm. Partly cloudy, with a low around 57. Calm wind. Chance of precipitation is 30%.
Monday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Light and variable wind. Chance of precipitation is 60%.
Tuesday
A chance of showers. Partly sunny, with a high near 82. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 58. Calm wind.
Wednesday
Sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ayer MA
 42.54°N 71.6°W (Elev. 249 ft)
Last Update:
4:02 am EDT Jun 18, 2026
Forecast Valid:
4am EDT Jun 18, 2026-6pm EDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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