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.

Fair

73°F

23°C

Humidity 87%
Wind Speed NW 5 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 15 Jul 6:52 am EDT
Extended Forecast for

Lunenburg MA

Heat Advisory July 15, 11:00am until July 17, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Mostly sunny, with a high near 89. Heat index values as high as 95. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 91. Heat index values as high as 96. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 91 °F

    Hot

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72. Southwest wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 11am, then showers likely and possibly a thunderstorm between 11am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 88. Southwest wind 5 to 8 mph. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 72. West wind around 5 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 84. Northwest wind around 7 mph. Chance of precipitation is 30%.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Light north wind.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 89. Heat index values as high as 95. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 68. Calm wind.
Wednesday
Sunny and hot, with a high near 91. Heat index values as high as 96. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72. Southwest wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers before 11am, then showers likely and possibly a thunderstorm between 11am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 88. Southwest wind 5 to 8 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 72. West wind around 5 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 84. Northwest wind around 7 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 61. Light north wind.
Saturday
Mostly sunny, with a high near 82. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 63. Calm wind.
Sunday
A chance of showers. Partly sunny, with a high near 81. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 64. Southwest wind 3 to 5 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 81. Northwest wind around 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lunenburg MA
 42.6°N 71.73°W (Elev. 541 ft)
Last Update:
1:16 am EDT Jul 15, 2025
Forecast Valid:
7am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
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