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

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Partly Cloudy

85°F

29°C

Humidity 65%
Wind Speed S 13 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 15 Jul 6:54 pm EDT
Extended Forecast for

Boston MA

Heat Advisory July 15, 07:20pm until July 17, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 15, 07:20pm until July 17, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Tonight

    Low: 72 °F

    Isolated
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 93. Heat index values as high as 97. Calm wind becoming south 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 77. Southwest wind around 7 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 7am. 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 76. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 86. West wind 7 to 9 mph.

    High: 86 °F

    Mostly Sunny

  • Friday Night

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

    Low: 65 °F

    Mostly Clear

  • Saturday

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

    High: 82 °F

    Sunny

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 8pm. Mostly clear, with a low around 72. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
Sunny and hot, with a high near 93. Heat index values as high as 97. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
A slight chance of showers after 3am. Increasing clouds, with a low around 77. Southwest wind around 7 mph. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms, mainly after 7am. 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 76. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 86. West wind 7 to 9 mph.
Friday Night
Mostly clear, with a low around 65. North wind 3 to 5 mph.
Saturday
Sunny, with a high near 82. North wind 5 to 7 mph becoming east in the afternoon.
Saturday Night
Mostly cloudy, with a low around 67. Southwest wind around 6 mph.
Sunday
A chance of showers after 9am. Partly sunny, with a high near 84. South wind 5 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. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 81. Northwest wind 6 to 8 mph becoming northeast in the afternoon.
Monday Night
Partly cloudy, with a low around 64. East 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:
Boston MA
 42.36°N 71.07°W (Elev. 13 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

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