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

74°F

23°C

Humidity 85%
Wind Speed Calm
Barometer 30.05 in (1017.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 15 Jul 3:52 am EDT
Extended Forecast for

Bolton MA

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

  • Overnight

    Overnight: A slight chance of showers. Cloudy, with a low around 70. Light southwest wind. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 89 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. South wind 3 to 5 mph.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 91. Heat index values as high as 98. 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 2am. Mostly cloudy, with a low around 73. Southwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind 6 to 8 mph. Chance of precipitation is 50%.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 74. Southwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. Northwest wind around 7 mph. Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63. Light north wind. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers. Cloudy, with a low around 70. Light southwest wind. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 69. South wind 3 to 5 mph.
Wednesday
Mostly sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 73. Southwest wind around 6 mph. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind 6 to 8 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 74. Southwest wind around 6 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. Northwest wind around 7 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63. Light north wind. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 83. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 64. South wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers. Partly sunny, with a high near 82. Southwest wind 3 to 7 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66. Southwest wind around 6 mph. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 81. West wind around 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bolton MA
 42.43°N 71.59°W (Elev. 348 ft)
Last Update:
1:16 am EDT Jul 15, 2025
Forecast Valid:
4am 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