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.

Partly Cloudy

80°F

27°C

Humidity 76%
Wind Speed W 5 mph
Barometer 30.06 in (1019.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 15 Jul 8:51 am EDT
Extended Forecast for

Acton MA

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

  • Today

    Today: Sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 69. Light south wind.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 92. Heat index values as high as 99. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 92 °F

    Hot

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 73. 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: 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 around 7 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, mainly before 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 87. Northwest wind around 7 mph. Chance of precipitation is 30%.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Light north wind.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 69. Light south wind.
Wednesday
Mostly sunny and hot, with a high near 92. Heat index values as high as 99. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 73. 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.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind around 7 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms, mainly before 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 87. Northwest wind around 7 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 63. Light north wind.
Saturday
Sunny, with a high near 83. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 64. Light and variable wind.
Sunday
A chance of showers. Partly sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66. West wind 3 to 5 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 82. Northwest wind around 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Acton MA
 42.48°N 71.49°W (Elev. 230 ft)
Last Update:
7:45 am EDT Jul 15, 2025
Forecast Valid:
9am 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