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

94°F

34°C

Humidity 38%
Wind Speed W 15 G 24 mph
Barometer 29.81 in (1009.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 3 Jul 6:54 pm EDT
Extended Forecast for

Boston MA

Extreme Heat Warning July 3, 07:56pm until July 4, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 3, 07:56pm until July 4, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Tonight

    Low: 76 °F

    Partly Cloudy

  • Independence Day

    Independence Day: Increasing clouds and hot, with a high near 97. Heat index values as high as 101. Northwest wind 7 to 10 mph.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70. North wind 3 to 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 87. Calm wind becoming east 5 to 8 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 67. Southeast wind around 6 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, mainly after 9am. Partly sunny, with a high near 80. Light southeast wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after 10pm. Mostly cloudy, with a low around 63. East wind around 7 mph. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 72. East wind 8 to 11 mph. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 76. West wind 6 to 9 mph.
Independence Day
Increasing clouds and hot, with a high near 97. Heat index values as high as 101. Northwest wind 7 to 10 mph.
Saturday Night
Partly cloudy, with a low around 70. North wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 87. Calm wind becoming east 5 to 8 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 67. Southeast wind around 6 mph becoming calm in the evening.
Monday
A chance of showers, mainly after 9am. Partly sunny, with a high near 80. Light southeast wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 40%.
Monday Night
Showers likely, mainly after 10pm. Mostly cloudy, with a low around 63. East wind around 7 mph. Chance of precipitation is 60%.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 72. East wind 8 to 11 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 1am. Mostly cloudy, with a low around 64. North wind 5 to 8 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 78. North wind 5 to 7 mph becoming east in the afternoon.
Wednesday Night
Partly cloudy, with a low around 67. South wind around 5 mph becoming light and variable in the evening.
Thursday
Mostly sunny and hot, with a high near 90. Southwest wind 3 to 7 mph.
Thursday Night
Partly cloudy, with a low around 70. Southwest wind 6 to 8 mph.
Friday
A chance of showers. Mostly sunny, with a high near 89. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boston MA
 42.36°N 71.07°W (Elev. 13 ft)
Last Update:
4:01 pm EDT Jul 3, 2026
Forecast Valid:
7pm EDT Jul 3, 2026-6pm EDT Jul 10, 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