Current conditions at

Fitchburg, Fitchburg Municipal Airport (KFIT)

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

Overcast

78°F

26°C

Humidity 67%
Wind Speed S 8 mph
Barometer 30.15 in (1020.9 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Sep 2:52 pm EDT
Detailed forecast for

Northwest Middlesex County

This Afternoon
Mostly cloudy with a 40 percent chance of showers. Near steady temperature in the mid 70s. South winds around 5 mph.
Tonight
Mostly cloudy. Showers likely with isolated thunderstorms in the evening, then a chance of showers after midnight. Patchy fog. Humid with lows in the lower 60s. South winds around 5 mph, becoming northwest after midnight. Chance of rain 70 percent.
Friday
Sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph with gusts up to 20 mph.
Friday Night
Partly cloudy. Much cooler with lows in the mid 40s. North winds 5 to 10 mph.
Saturday
Sunny. Highs in the mid 60s. North winds around 5 mph in the morning, becoming light and variable.
Saturday Night
Mostly cloudy. Lows in the mid 40s.
Sunday
Showers. Highs around 60. Chance of rain 80 percent.
Sunday Night
Showers likely. Lows in the upper 40s. Chance of rain 70 percent.
Monday
Mostly sunny. Highs in the mid 60s.
Monday Night
Mostly cloudy. Lows in the mid 40s.
Tuesday And Tuesday Night
Partly cloudy. Highs in the lower 60s. Lows in the mid 40s.
Wednesday
Sunny. Highs in the mid 60s.



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102 PM EDT Thu Sep 17 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database