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

20°C

68°F

Humidity 90%
Wind Speed S 13 km/h
Barometer 1018.5 mb (30.08 in)
Dewpoint 18°C (65°F)
Visibility 16 km
Last update 14 Jul 1:54 am EDT
Extended Forecast for

Boston, Logan International Airport MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 20. South wind around 8 km/h.

    Low: 20 °C

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 29. South 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 11pm, 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 precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 22 °C

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Cloudy through mid morning, then gradual clearing, with a high near 31. South wind 8 to 10 km/h. Chance of precipitation is 20%.

    High: 31 °C

    Slight Chance
    T-storms

  • Tuesday Night

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

    Low: 22 °C

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 33. South wind 8 to 11 km/h.

    High: 33 °C

    Hot

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. Southwest wind around 11 km/h.

    Low: 23 °C

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 32. Southwest wind 10 to 16 km/h. Chance of precipitation is 30%.

    High: 32 °C

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 24. Southwest wind around 11 km/h. Chance of precipitation is 30%.

    Low: 24 °C

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 20. South wind around 8 km/h.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 29. South wind 8 to 13 km/h. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 11pm, 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 precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Cloudy through mid morning, then gradual clearing, with a high near 31. South wind 8 to 10 km/h. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 22. Southwest wind 8 to 10 km/h.
Wednesday
Mostly sunny and hot, with a high near 33. South wind 8 to 11 km/h.
Wednesday Night
Mostly cloudy, with a low around 23. Southwest wind around 11 km/h.
Thursday
A chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 32. Southwest wind 10 to 16 km/h. Chance of precipitation is 30%.
Thursday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 24. Southwest wind around 11 km/h. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 32. West wind 10 to 13 km/h. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. Northwest wind 8 to 10 km/h. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 27. North wind 10 to 13 km/h becoming east in the afternoon.
Saturday Night
Partly cloudy, with a low around 19. Southeast wind 5 to 10 km/h becoming southwest after midnight.
Sunday
Partly sunny, with a high near 27. Southwest wind 8 to 13 km/h becoming southeast in the afternoon.
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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:
2:05 am EDT Jul 14, 2025
Forecast Valid:
3am EDT Jul 14, 2025-6pm EDT Jul 20, 2025
 
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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