National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

A Few Clouds

21°C

70°F

Humidity 87%
Wind Speed S 11 km/h
Barometer 1020.2 mb (30.13 in)
Dewpoint 19°C (66°F)
Visibility 16 km
Last update 12 Jul 10:54 pm EDT
Extended Forecast for

Boston, Logan International Airport MA

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 18. Southeast wind 8 to 10 km/h.

    Low: 18 °C

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 27. East wind 8 to 16 km/h.

    High: 27 °C

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 19. South wind 8 to 13 km/h.

    Low: 19 °C

    Increasing
    Clouds

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 29. South wind 8 to 13 km/h. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 29 °C

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 21. Southwest wind around 10 km/h. Chance of precipitation is 30%.

    Low: 21 °C

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 33. West wind 8 to 10 km/h.

    High: 33 °C

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22. Southwest wind around 10 km/h.

    Low: 22 °C

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 34. South wind 5 to 10 km/h increasing to 11 to 16 km/h in the afternoon.

    High: 34 °C

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. Southwest wind 11 to 14 km/h.

    Low: 24 °C

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 18. Southeast wind 8 to 10 km/h.
Sunday
Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 27. East wind 8 to 16 km/h.
Sunday Night
Increasing clouds, with a low around 19. South wind 8 to 13 km/h.
Monday
A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 29. South wind 8 to 13 km/h. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 21. Southwest wind around 10 km/h. Chance of precipitation is 30%.
Tuesday
Sunny and hot, with a high near 33. West wind 8 to 10 km/h.
Tuesday Night
Mostly clear, with a low around 22. Southwest wind around 10 km/h.
Wednesday
Sunny and hot, with a high near 34. South wind 5 to 10 km/h increasing to 11 to 16 km/h in the afternoon.
Wednesday Night
Partly cloudy, with a low around 24. Southwest wind 11 to 14 km/h.
Thursday
A chance of showers after 4pm. Mostly sunny and hot, with a high near 33. Southwest wind 11 to 18 km/h. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 23. Southwest wind 11 to 14 km/h. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 30. West wind 13 to 16 km/h. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. South wind around 11 km/h becoming west after midnight. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 27. North wind 10 to 13 km/h becoming east in the afternoon. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Boston, Logan International Airport MA
 42.38°N 71.01°W (Elev. 3 m)
Last Update:
6:14 pm EDT Jul 12, 2025
Forecast Valid:
11pm EDT Jul 12, 2025-6pm EDT Jul 19, 2025
 
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Additional Resources

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