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.

Partly Cloudy

23°C

73°F

Humidity 81%
Wind Speed S 20 km/h
Barometer 1019.1 mb (30.10 in)
Dewpoint 19°C (67°F)
Visibility 16 km
Last update 13 Jul 9:54 pm EDT
Extended Forecast for

Boston, Logan International Airport MA

  • Tonight

    Tonight: Patchy fog between 4am and 5am. Otherwise, cloudy, with a low around 20. South wind 5 to 10 km/h.

    Low: 20 °C

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 29. Southeast wind 8 to 13 km/h. Chance of precipitation is 30%.

    High: 29 °C

    Patchy Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 22. Southwest wind 8 to 10 km/h. Chance of precipitation is 30%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Low: 22 °C

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 31. Southwest wind 8 to 10 km/h. Chance of precipitation is 20%.

    High: 31 °C

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. Southwest wind 8 to 10 km/h.

    Low: 22 °C

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 33. South wind 5 to 11 km/h.

    High: 33 °C

    Hot

  • Wednesday Night

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

    Low: 24 °C

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 4pm. Partly sunny and hot, with a high near 33. Southwest wind 10 to 16 km/h. Chance of precipitation is 30%.

    High: 33 °C

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 7pm. Mostly 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

Detailed Forecast

Tonight
Patchy fog between 4am and 5am. Otherwise, cloudy, with a low around 20. South wind 5 to 10 km/h.
Monday
A chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 29. Southeast wind 8 to 13 km/h. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 22. Southwest wind 8 to 10 km/h. Chance of precipitation is 30%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 31. Southwest wind 8 to 10 km/h. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 22. Southwest wind 8 to 10 km/h.
Wednesday
Mostly sunny and hot, with a high near 33. South wind 5 to 11 km/h.
Wednesday Night
Mostly cloudy, with a low around 24. Southwest wind around 11 km/h.
Thursday
A chance of showers and thunderstorms after 4pm. Partly sunny and hot, with a high near 33. Southwest wind 10 to 16 km/h. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 24. Southwest wind 10 to 13 km/h. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 33. West wind 10 to 14 km/h. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 22. West wind 8 to 10 km/h. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 28. North wind 10 to 13 km/h becoming east in the afternoon.
Saturday Night
Mostly cloudy, with a low around 19. Southeast wind 5 to 8 km/h becoming northwest after midnight.
Sunday
Partly sunny, with a high near 27. North wind 8 to 13 km/h becoming southeast in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Boston, Logan International Airport MA
 42.38°N 71.04°W (Elev. 49 m)
Last Update:
6:05 pm EDT Jul 13, 2025
Forecast Valid:
10pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation