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

92°F

33°C

Humidity 43%
Wind Speed Vrbl 3 mph
Barometer 30.04 in (1016.9 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 15 Jul 2:52 pm EDT
Extended Forecast for

Lancaster MA

Heat Advisory July 15, 03:04pm until July 17, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 15, 03:04pm until July 17, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Tonight

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 92. Heat index values as high as 99. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 92 °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 6 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 and thunderstorms. Mostly cloudy and hot, with a high near 90. Heat index values as high as 99. Southwest wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 73. Southwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 87. Northwest wind around 7 mph. Chance of precipitation is 30%.

    High: 87 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Light north wind.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 84. Light and variable wind.

    High: 84 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny and hot, with a high near 92. Heat index values as high as 99. 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 6 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 and thunderstorms. Mostly cloudy and hot, with a high near 90. Heat index values as high as 99. Southwest wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 73. Southwest wind around 6 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 87. Northwest wind around 7 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 63. Light north wind.
Saturday
Sunny, with a high near 84. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 63. Light southwest wind.
Sunday
A chance of showers after 11am. Partly sunny, with a high near 83. Calm wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 65. Southwest wind 3 to 5 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 82. West wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 62. Light north wind.
Tuesday
Mostly sunny, with a high near 82. North wind 3 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lancaster MA
 42.44°N 71.68°W (Elev. 249 ft)
Last Update:
7:45 am EDT Jul 15, 2025
Forecast Valid:
3pm EDT Jul 15, 2025-6pm EDT Jul 22, 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