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

23°F

-5°C

Humidity 72%
Wind Speed Vrbl 6 mph
Barometer 29.95 in (1014.8 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 19 Jan 11:52 pm EST
Extended Forecast for

Ayer MA

  • Overnight

    Overnight: Mostly clear, with a low around 14. West wind around 6 mph.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22. West wind 6 to 10 mph, with gusts as high as 23 mph.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 8. West wind around 6 mph becoming calm in the evening.

    Low: 8 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 32. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 32 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A chance of snow, mainly between 8pm and 1am. Mostly cloudy, with a low around 23. Southwest wind 5 to 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 23 °F

    Chance Snow

  • Thursday

    Thursday: A slight chance of snow before 8am. Mostly sunny, with a high near 41. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18. West wind 3 to 5 mph.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 27. West wind 5 to 11 mph, with gusts as high as 23 mph.

    High: 27 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 2. West wind around 6 mph.

    Low: 2 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 14. West wind around 6 mph.
Tuesday
Mostly sunny, with a high near 22. West wind 6 to 10 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 8. West wind around 6 mph becoming calm in the evening.
Wednesday
Increasing clouds, with a high near 32. Calm wind becoming southwest 5 to 8 mph in the morning.
Wednesday Night
A chance of snow, mainly between 8pm and 1am. Mostly cloudy, with a low around 23. Southwest wind 5 to 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
A slight chance of snow before 8am. Mostly sunny, with a high near 41. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 18. West wind 3 to 5 mph.
Friday
Partly sunny, with a high near 27. West wind 5 to 11 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 2. West wind around 6 mph.
Saturday
Sunny, with a high near 12. Northwest wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 1. Light northwest wind.
Sunday
A chance of snow. Mostly cloudy, with a high near 15. North wind 5 to 7 mph. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 4. Northwest wind 3 to 5 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 19. Northwest wind 5 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 71.59°W (Elev. 249 ft)
Last Update:
12:45 am EST Jan 20, 2026
Forecast Valid:
12am EST Jan 20, 2026-6pm EST Jan 26, 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