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

82°F

28°C

Humidity 74%
Wind Speed SE 8 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 6 Aug 4:54 pm EDT
Extended Forecast for

Boston, Logan International Airport MA

Heat Advisory August 6, 05:14pm until August 7, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 6, 05:14pm until August 7, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 89 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 74. Southwest wind 3 to 5 mph.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 91. Heat index values as high as 97. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 91 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73. Southwest wind 3 to 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 89. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 89 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Southwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89. West wind 6 to 11 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 68. West wind 6 to 8 mph.

    Low: 68 °F

    Clear

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Heat index values as high as 95. Southwest wind around 6 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 74. Southwest wind 3 to 5 mph.
Friday
Sunny and hot, with a high near 91. Heat index values as high as 97. Light and variable wind becoming south around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 73. Southwest wind 3 to 5 mph.
Saturday
A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 89. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Southwest wind around 6 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 89. West wind 6 to 11 mph.
Sunday Night
Clear, with a low around 68. West wind 6 to 8 mph.
Monday
Sunny, with a high near 86. Southwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 70. Southwest wind 6 to 8 mph.
Tuesday
A chance of showers. Partly sunny, with a high near 85. West wind 6 to 10 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 69. West wind around 6 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly sunny, with a high near 81. West wind around 7 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 67. Light west wind.
Thursday
A chance of showers. Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boston, Logan International Airport MA
 42.38°N 71.04°W (Elev. 49 ft)
Last Update:
2:19 pm EDT Aug 6, 2026
Forecast Valid:
5pm EDT Aug 6, 2026-6pm EDT Aug 13, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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