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.

Fair

75°F

24°C

Humidity 52%
Wind Speed NW 7 mph
Barometer 29.98 in (1015.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 25 May 6:52 pm EDT
Extended Forecast for

Ayer MA

  • Tonight

    Tonight: Areas of fog after 1am. Otherwise, partly cloudy, with a low around 53. Light west wind.

    Low: 53 °F

    Mostly Clear
    then Areas
    Fog

  • Tuesday

    Tuesday: Sunny, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. Southwest wind around 6 mph.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Isolated showers, then scattered showers and thunderstorms after 3pm. Mostly sunny, with a high near 85. West wind 5 to 9 mph. Chance of precipitation is 30%.

    High: 85 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 57. North wind 3 to 5 mph.

    Low: 57 °F

    Mostly Cloudy

  • Thursday

    Thursday: Isolated showers, then scattered showers and thunderstorms after 10am. Mostly sunny, with a high near 72. North wind 5 to 9 mph. Chance of precipitation is 40%.

    High: 72 °F

    Isolated
    T-storms then
    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers, mainly before 7pm. Partly cloudy, with a low around 49. Light north wind. Chance of precipitation is 30%.

    Low: 49 °F

    Scattered
    Showers then
    Partly Cloudy

  • Friday

    Friday: A chance of showers after 2pm. Partly sunny, with a high near 68. Northwest wind 3 to 7 mph. Chance of precipitation is 30%.

    High: 68 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 47. Calm wind. Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    Showers

Detailed Forecast

Tonight
Areas of fog after 1am. Otherwise, partly cloudy, with a low around 53. Light west wind.
Tuesday
Sunny, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 61. Southwest wind around 6 mph.
Wednesday
Isolated showers, then scattered showers and thunderstorms after 3pm. Mostly sunny, with a high near 85. West wind 5 to 9 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 57. North wind 3 to 5 mph.
Thursday
Isolated showers, then scattered showers and thunderstorms after 10am. Mostly sunny, with a high near 72. North wind 5 to 9 mph. Chance of precipitation is 40%.
Thursday Night
Scattered showers, mainly before 7pm. Partly cloudy, with a low around 49. Light north wind. Chance of precipitation is 30%.
Friday
A chance of showers after 2pm. Partly sunny, with a high near 68. Northwest wind 3 to 7 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 47. Calm wind. Chance of precipitation is 50%.
Saturday
A chance of showers. Partly sunny, with a high near 66. Light and variable wind becoming north 5 to 9 mph in the morning. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 47. Light north wind.
Sunday
Mostly sunny, with a high near 70. North wind 5 to 8 mph.
Sunday Night
Partly cloudy, with a low around 50. Calm wind.
Monday
Mostly sunny, with a high near 72. Northwest wind 3 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ayer MA
 42.56°N 71.56°W (Elev. 249 ft)
Last Update:
1:57 pm EDT May 25, 2026
Forecast Valid:
7pm EDT May 25, 2026-6pm EDT Jun 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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