Current conditions at

Fitchburg, Fitchburg Municipal Airport (KFIT)

Lat: 42.55° N Lon: 71.76° W Elev: 348 ft.

Fair

50°F

10°C

Humidity 27%
Wind Speed NA
Barometer 30.29 in (1025.9 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 25 Mar 1:52 pm EDT
Detailed forecast for

Northwest Middlesex County

This Afternoon
Mostly sunny. Near steady temperature in the lower 50s. Southwest winds 5 to 10 mph.
Tonight
Mostly cloudy. A slight chance of rain after midnight. Not as cool with lows in the upper 30s. South winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 20 percent.
Thursday
Mostly cloudy with a chance of rain in the morning, then partly sunny in the afternoon. Not as cool with highs in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 30 percent.
Thursday Night
Rain. Patchy fog. Lows in the lower 40s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming west after midnight. Chance of rain 80 percent.
Friday
Rain likely. Much cooler with highs in the mid 40s. Northwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 70 percent.
Friday Night
Mostly clear. Much cooler with lows around 20.
Saturday
Mostly sunny. Highs in the upper 30s.
Saturday Night
Mostly clear. Lows in the lower 20s.
Sunday And Sunday Night
Partly cloudy. Highs in the mid 40s. Lows in the upper 20s.
Monday
Partly sunny. Highs in the mid 50s.
Monday Night
Partly cloudy. Not as cool with lows in the upper 30s.
Tuesday
Mostly cloudy. Highs in the mid 50s.



Basemap Options
Click map to change the forecast location
Loading map...
105 PM EDT Wed Mar 25 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database