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

67°F

19°C

Humidity 97%
Wind Speed Calm
Barometer 29.98 in (1014.9 mb)
Dewpoint 66°F (19°C)
Visibility 7.00 mi
Last update 29 Jul 2:52 am EDT
Extended Forecast for

2 Miles WSW Sterling MA

Heat Advisory July 29, 03:10am until July 30, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 29, 03:10am until July 30, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Overnight

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 96. Heat index values as high as 100. West wind 5 to 8 mph.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 94. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Northeast wind around 6 mph. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Northeast wind 3 to 5 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers before 3pm. Partly sunny, with a high near 73. Northeast wind 6 to 8 mph. Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 69. Calm wind.
Tuesday
Sunny and hot, with a high near 96. Heat index values as high as 100. West wind 5 to 8 mph.
Tuesday Night
Mostly clear, with a low around 67. Calm wind.
Wednesday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 94. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 40%.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Northeast wind around 6 mph. Chance of precipitation is 50%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Northeast wind 3 to 5 mph. Chance of precipitation is 60%.
Friday
A chance of showers before 3pm. Partly sunny, with a high near 73. Northeast wind 6 to 8 mph. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 54. Light north wind.
Saturday
Sunny, with a high near 79. North wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 54. Calm wind.
Sunday
Sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 58. Southwest wind 3 to 5 mph.
Monday
Sunny, with a high near 83. Calm wind becoming southwest around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Sterling MA
 42.43°N 71.8°W (Elev. 449 ft)
Last Update:
1:35 am EDT Jul 29, 2025
Forecast Valid:
3am EDT Jul 29, 2025-6pm EDT Aug 4, 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