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.

Mostly Cloudy

90°F

32°C

Humidity 45%
Wind Speed Vrbl 5 mph
Barometer 30.04 in (1017.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 15 Jul 12:52 pm EDT
Extended Forecast for

South Ashburnham MA

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

    NOW until 7:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. Southwest wind 3 to 5 mph.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers after 3pm. Mostly sunny, with a high near 88. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly after 10pm. Increasing clouds, with a low around 71. Southwest wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 11am, then showers likely and possibly a thunderstorm between 11am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 86. Southwest wind 6 to 9 mph. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 70. West wind around 7 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 82. Northwest wind around 8 mph. Chance of precipitation is 30%.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. North wind 3 to 5 mph.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 87. West wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 66. Southwest wind 3 to 5 mph.
Wednesday
A slight chance of showers after 3pm. Mostly sunny, with a high near 88. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms, mainly after 10pm. Increasing clouds, with a low around 71. Southwest wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter 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 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 86. Southwest wind 6 to 9 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 70. West wind around 7 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 82. Northwest wind around 8 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 60. North wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 80. Light and variable wind becoming south around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 61. Light southwest wind.
Sunday
A chance of showers. Mostly cloudy, with a high near 79. Southwest wind 3 to 8 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 63. Southwest wind around 6 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 80. West wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Ashburnham MA
 42.61°N 71.94°W (Elev. 997 ft)
Last Update:
7:45 am EDT Jul 15, 2025
Forecast Valid:
12pm 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