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.

Mostly Cloudy

79°F

26°C

Humidity 72%
Wind Speed W 13 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 2 Jul 5:54 am EDT
Extended Forecast for

Boston MA

Extreme Heat Warning July 2, 07:23am until July 4, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 2, 07:23am until July 4, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Today

    High: 100 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms. Partly cloudy, with a low around 79. West wind around 10 mph. Chance of precipitation is 20%.

    Low: 79 °F

    Isolated
    T-storms

  • Friday

    Friday: Isolated showers and thunderstorms. Mostly sunny and hot, with a high near 101. Heat index values as high as 105. West wind 9 to 13 mph. Chance of precipitation is 20%.

    High: 101 °F

    Isolated
    T-storms

  • Friday Night

    Friday Night: Scattered showers and thunderstorms, mainly between 10pm and 5am. Mostly cloudy, with a low around 80. West wind around 9 mph. Chance of precipitation is 30%.

    Low: 80 °F

    Scattered
    T-storms

  • Independence Day

    Independence Day: Scattered showers and thunderstorms, mainly after 10am. Partly sunny and hot, with a high near 97. Northwest wind 9 to 11 mph. Chance of precipitation is 50%.

    High: 97 °F

    Scattered
    T-storms

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 74. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Scattered
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 83. Light and variable wind becoming east 5 to 8 mph in the morning.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 1am. Mostly cloudy, with a low around 66. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Isolated showers between 1pm and 2pm, then isolated showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 106. Southwest wind 10 to 14 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms. Partly cloudy, with a low around 79. West wind around 10 mph. Chance of precipitation is 20%.
Friday
Isolated showers and thunderstorms. Mostly sunny and hot, with a high near 101. Heat index values as high as 105. West wind 9 to 13 mph. Chance of precipitation is 20%.
Friday Night
Scattered showers and thunderstorms, mainly between 10pm and 5am. Mostly cloudy, with a low around 80. West wind around 9 mph. Chance of precipitation is 30%.
Independence Day
Scattered showers and thunderstorms, mainly after 10am. Partly sunny and hot, with a high near 97. Northwest wind 9 to 11 mph. Chance of precipitation is 50%.
Saturday Night
Scattered showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 74. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 83. Light and variable wind becoming east 5 to 8 mph in the morning.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 66. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 77. East wind 5 to 10 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 63. East wind 3 to 7 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 78. Northeast wind 6 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 64. East wind around 6 mph becoming light and variable after midnight.
Wednesday
Mostly sunny, with a high near 79. Light and variable wind becoming southeast 5 to 9 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Boston MA
 42.34°N 71.08°W (Elev. 13 ft)
Last Update:
5:16 am EDT Jul 2, 2026
Forecast Valid:
7am EDT Jul 2, 2026-6pm EDT Jul 8, 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