National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Mostly Cloudy

77°F

25°C

Humidity 74%
Wind Speed S 5 mph
Barometer 29.97 in (1015.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 30 Jun 7:51 pm EDT
Extended Forecast for

Acton MA

Extreme Heat Warning July 1, 10:00am until July 4, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southwest wind around 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: 69 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 96. Heat index values as high as 105. West wind 6 to 8 mph.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Southwest wind around 6 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101. Heat index values as high as 110. West wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. West wind around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. West wind 6 to 9 mph, with gusts as high as 21 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. West wind 3 to 6 mph.

    Low: 75 °F

    Mostly Clear

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 95. West wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 69. Light west wind. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southwest wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny and hot, with a high near 96. Heat index values as high as 105. West wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 75. Southwest wind around 6 mph.
Thursday
Sunny and hot, with a high near 101. Heat index values as high as 110. West wind 6 to 9 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 78. West wind around 5 mph.
Friday
Sunny and hot, with a high near 100. West wind 6 to 9 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 75. West wind 3 to 6 mph.
Independence Day
A chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 95. West wind 5 to 8 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 69. Light west wind. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 89. North wind 3 to 5 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66. Light east wind. Chance of precipitation is 40%.
Monday
A chance of showers. Partly sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 64. Light and variable wind.
Tuesday
A chance of showers. Mostly sunny, with a high near 83. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Acton MA
 42.5°N 71.48°W (Elev. 249 ft)
Last Update:
3:34 pm EDT Jun 30, 2026
Forecast Valid:
8pm EDT Jun 30, 2026-6pm EDT Jul 7, 2026
 
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