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.

A Few Clouds

83°F

28°C

Humidity 55%
Wind Speed S 9 mph
Barometer 30.09 in (1020.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 5 Aug 4:51 pm EDT
Extended Forecast for

Acton MA

Heat Advisory August 6, 11:00am until August 7, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 96. Southwest wind 3 to 6 mph.

    High: 89 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. Light southwest wind.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Increasing clouds and hot, with a high near 91. Heat index values as high as 96. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 72. Light southwest wind. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 88. Southwest wind 3 to 8 mph. Chance of precipitation is 30%.

    High: 88 °F

    Mostly 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. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88. West wind 5 to 8 mph, with gusts as high as 20 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. West wind 3 to 5 mph.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 96. Southwest wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 73. Light southwest wind.
Friday
A chance of showers and thunderstorms after 2pm. Increasing clouds and hot, with a high near 91. Heat index values as high as 96. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 72. Light southwest wind. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 88. Southwest wind 3 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. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 88. West wind 5 to 8 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 65. West wind 3 to 5 mph.
Monday
Sunny, with a high near 88. West wind 3 to 8 mph. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 67. West wind 3 to 5 mph.
Tuesday
A chance of showers. Partly sunny, with a high near 86. West wind 3 to 7 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 63. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 83. West wind 3 to 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Acton MA
 42.48°N 71.46°W (Elev. 246 ft)
Last Update:
2:57 pm EDT Aug 5, 2026
Forecast Valid:
5pm EDT Aug 5, 2026-6pm EDT Aug 12, 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