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

83°F

28°C

Humidity 61%
Wind Speed E 15 mph
Barometer 30.05 in (1017.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 23 Jun 11:54 am EDT
Extended Forecast for

Boston MA

Extreme Heat Warning June 23, 12:28pm until June 24, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 23, 12:28pm until June 24, 08:00pm

    NOW until 8:00pm Tue

    Extreme Heat Warning

  • This Afternoon

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 74. Southwest wind 6 to 9 mph.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102. Heat index values as high as 109. West wind 7 to 10 mph.

    High: 102 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78. West wind 6 to 9 mph.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Mostly sunny and hot, with a high near 90. Northwest wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 20%.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming light and variable. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 72. Northeast wind 6 to 8 mph. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 9pm. Mostly cloudy, with a low around 61. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 89. Calm wind becoming east around 6 mph.
Tonight
Partly cloudy, with a low around 74. Southwest wind 6 to 9 mph.
Tuesday
Sunny and hot, with a high near 102. Heat index values as high as 109. West wind 7 to 10 mph.
Tuesday Night
Mostly clear, with a low around 78. West wind 6 to 9 mph.
Wednesday
A slight chance of showers after 2pm. Mostly sunny and hot, with a high near 90. Northwest wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming light and variable. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 72. Northeast wind 6 to 8 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers before 9pm. Mostly cloudy, with a low around 61. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly cloudy, with a high near 71. East wind 6 to 9 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 63. East wind around 7 mph. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 76. East wind 6 to 9 mph. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 63. East wind 5 to 7 mph becoming north after midnight. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 79. North wind around 7 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:
12:23 pm EDT Jun 23, 2025
Forecast Valid:
12pm EDT Jun 23, 2025-6pm EDT Jun 29, 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