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

76°F

24°C

Humidity 67%
Wind Speed SE 3 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 1 Aug 11:52 pm EDT
Extended Forecast for

Princeton MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 65. Southwest wind around 6 mph.

    Low: 65 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 80. South wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Patchy fog after midnight. Low around 65. Southeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    Showers then
    Heavy Rain
    and Patchy
    Fog

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 9am, then showers between 9am and 11am, then showers and possibly a thunderstorm after 11am. Patchy fog before 9am. High near 76. Southwest wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 62. Southwest wind around 6 mph. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly after 3pm. Mostly sunny, with a high near 79. Northwest wind around 5 mph. Chance of precipitation is 30%.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 8pm. Partly cloudy, with a low around 62. Calm wind. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 10am. Partly sunny, with a high near 79. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 11pm. Mostly cloudy, with a low around 66. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 65. Southwest wind around 6 mph.
Sunday
Mostly cloudy, with a high near 80. South wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Patchy fog after midnight. Low around 65. Southeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely and possibly a thunderstorm before 9am, then showers between 9am and 11am, then showers and possibly a thunderstorm after 11am. Patchy fog before 9am. High near 76. Southwest wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 62. Southwest wind around 6 mph. Chance of precipitation is 60%.
Tuesday
A chance of showers, mainly after 3pm. Mostly sunny, with a high near 79. Northwest wind around 5 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers before 8pm. Partly cloudy, with a low around 62. Calm wind. Chance of precipitation is 30%.
Wednesday
A chance of showers after 10am. Partly sunny, with a high near 79. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%.
Wednesday Night
A chance of showers before 11pm. Mostly cloudy, with a low around 66. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Thursday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 80. Southwest wind 6 to 8 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Southwest wind around 5 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. West wind 5 to 7 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. West wind 3 to 5 mph. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly sunny, with a high near 82. West wind 3 to 7 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton MA
 42.45°N 71.89°W (Elev. 1050 ft)
Last Update:
4:34 pm EDT Aug 1, 2026
Forecast Valid:
12am EDT Aug 2, 2026-6pm EDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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