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.

Fair

86°F

30°C

Humidity 67%
Wind Speed S 8 mph
Barometer 29.99 in (1016.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 15 Jul 6:51 pm EDT
Extended Forecast for

Arlington MA

Heat Advisory July 15, 07:36pm until July 17, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 15, 07:36pm until July 17, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Tonight

    Low: 71 °F

    Isolated
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 93. Heat index values as high as 99. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 93 °F

    Hot

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 3am. Increasing clouds, with a low around 76. Southwest wind around 7 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly cloudy and hot, with a high near 90. Heat index values as high as 97. Southwest wind 6 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 75. Southwest wind around 8 mph. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85. Northwest wind around 8 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. North wind around 6 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. North wind 5 to 7 mph becoming southeast in the afternoon.

    High: 82 °F

    Sunny

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 8pm. Mostly clear, with a low around 71. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Wednesday
Sunny and hot, with a high near 93. Heat index values as high as 99. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
A slight chance of showers after 3am. Increasing clouds, with a low around 76. Southwest wind around 7 mph. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms. Mostly cloudy and hot, with a high near 90. Heat index values as high as 97. Southwest wind 6 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 75. Southwest wind around 8 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 85. Northwest wind around 8 mph.
Friday Night
Mostly clear, with a low around 64. North wind around 6 mph.
Saturday
Sunny, with a high near 82. North wind 5 to 7 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 66. Southwest wind around 6 mph.
Sunday
A chance of showers after 9am. Partly sunny, with a high near 83. South wind 6 to 9 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 67. South wind around 6 mph becoming west after midnight. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 81. North wind around 7 mph.
Monday Night
Partly cloudy, with a low around 63. Northeast wind around 5 mph becoming light and variable in the evening.
Tuesday
Mostly sunny, with a high near 79. North wind 5 to 8 mph becoming east in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arlington MA
 42.42°N 71.18°W (Elev. 249 ft)
Last Update:
3:27 pm EDT Jul 15, 2025
Forecast Valid:
7pm EDT Jul 15, 2025-6pm EDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation