National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Fitchburg, Fitchburg Municipal Airport (KFIT)

Lat: 42.55°NLon: 71.76°WElev: 348ft.

Overcast

85°F

29°C

Humidity 48%
Wind Speed W 6 mph
Barometer 30.01 in (1016.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 30 Jun 3:52 pm EDT
Extended Forecast for

Lunenburg MASimilar City Names

Extreme Heat Warning July 1, 10:00am until July 4, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • This Afternoon

    This Afternoon: A slight chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy and hot, with a high near 90. Southwest wind around 7 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 97. Heat index values as high as 106. West wind around 8 mph.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. Southwest wind around 6 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101. West wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. West wind 3 to 5 mph.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 101. West wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. West wind 3 to 5 mph.

    Low: 74 °F

    Mostly Clear

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 94. West wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 94 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy and hot, with a high near 90. Southwest wind around 7 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny and hot, with a high near 97. Heat index values as high as 106. West wind around 8 mph.
Wednesday Night
Mostly clear, with a low around 76. Southwest wind around 6 mph.
Thursday
Sunny and hot, with a high near 101. West wind 6 to 9 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 78. West wind 3 to 5 mph.
Friday
Sunny and hot, with a high near 101. West wind 6 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 74. West wind 3 to 5 mph.
Independence Day
A chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 94. West wind 5 to 8 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 88. Light north wind.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%.
Monday
A chance of showers. Partly sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
A chance of showers. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lunenburg MASimilar City Names
 42.6°N 71.73°W (Elev. 541 ft)
Last Update:
3:34 pm EDT Jun 30, 2026
Forecast Valid:
4pm EDT Jun 30, 2026-6pm EDT Jul 7, 2026
 
Forecast Discussion
 
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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