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

29°C

85°F

Humidity 65%
Wind Speed S 24 km/h
Barometer 1015.3 mb (29.99 in)
Dewpoint 22°C (72°F)
Visibility 16 km
Heat Index33°C (91°F)
Last update 15 Jul 5:54 pm EDT
Extended Forecast for

Boston MA

Heat Advisory July 15, 06:06pm until July 17, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 15, 06:06pm until July 17, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Tonight

    Low: 22 °C

    Isolated
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 34. Calm wind becoming south 5 to 10 km/h in the morning.

    High: 34 °C

    Hot

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 3am. Increasing clouds, with a low around 25. Southwest wind around 11 km/h. Chance of precipitation is 20%.

    Low: 25 °C

    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 32. Heat index values as high as 36. Southwest wind 10 to 16 km/h. Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 32 °C

    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 24. Southwest wind 10 to 13 km/h. Chance of precipitation is 30%.

    Low: 24 °C

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 30. West wind 11 to 14 km/h.

    High: 30 °C

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 18. North wind 5 to 8 km/h.

    Low: 18 °C

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 28. North wind 8 to 11 km/h becoming east in the afternoon.

    High: 28 °C

    Sunny

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 22. South wind 5 to 10 km/h becoming calm after midnight. Chance of precipitation is 20%.
Wednesday
Sunny and hot, with a high near 34. Calm wind becoming south 5 to 10 km/h in the morning.
Wednesday Night
A slight chance of showers after 3am. Increasing clouds, with a low around 25. Southwest wind around 11 km/h. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms, mainly after 7am. Mostly cloudy and hot, with a high near 32. Heat index values as high as 36. Southwest wind 10 to 16 km/h. Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.
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 24. Southwest wind 10 to 13 km/h. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 30. West wind 11 to 14 km/h.
Friday Night
Mostly clear, with a low around 18. North wind 5 to 8 km/h.
Saturday
Sunny, with a high near 28. North wind 8 to 11 km/h becoming east in the afternoon.
Saturday Night
Mostly cloudy, with a low around 19. Southwest wind 8 to 10 km/h.
Sunday
A chance of showers after 9am. Partly sunny, with a high near 29. South wind 8 to 14 km/h. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 19. South wind around 10 km/h. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 27. Northwest wind 10 to 13 km/h becoming northeast in the afternoon.
Monday Night
Partly cloudy, with a low around 18. East wind 5 to 8 km/h becoming northwest after midnight.
Tuesday
Mostly sunny, with a high near 26. North wind 8 to 13 km/h 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 m)
Last Update:
3:27 pm EDT Jul 15, 2025
Forecast Valid:
6pm EDT Jul 15, 2025-6pm EDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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