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.

Overcast

24°C

76°F

Humidity 82%
Wind Speed S 11 km/h
Barometer 1017.5 mb (30.05 in)
Dewpoint 21°C (70°F)
Visibility 16 km
Heat Index25°C (77°F)
Last update 14 Jul 9:54 pm EDT
Extended Forecast for

Boston, Logan International Airport MA

Heat Advisory July 15, 11:00am until July 17, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: A slight chance of showers and thunderstorms, then a chance of showers after 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 23. Southwest wind 8 to 10 km/h. Chance of precipitation is 30%.

    Low: 23 °C

    Slight Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers before 9am. Patchy fog before 8am. Otherwise, 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
    Showers and
    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22. Southwest wind 5 to 10 km/h.

    Low: 22 °C

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 33. Heat index values as high as 36. South wind 5 to 11 km/h.

    High: 33 °C

    Hot

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 24. Southwest wind around 11 km/h. Chance of precipitation is 20%.

    Low: 24 °C

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

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

    High: 32 °C

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 8pm. Partly 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

  • Friday

    Friday: A chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 32. West wind 10 to 14 km/h. Chance of precipitation is 30%.

    High: 32 °C

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 20. North wind 5 to 8 km/h. Chance of precipitation is 30%.

    Low: 20 °C

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms, then a chance of showers after 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 23. Southwest wind 8 to 10 km/h. Chance of precipitation is 30%.
Tuesday
A slight chance of showers before 9am. Patchy fog before 8am. Otherwise, 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 5 to 10 km/h.
Wednesday
Mostly sunny and hot, with a high near 33. Heat index values as high as 36. South wind 5 to 11 km/h.
Wednesday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 24. Southwest wind around 11 km/h. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms, mainly after 10am. 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. Partly 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 4pm. Mostly sunny and hot, with a high near 32. West wind 10 to 14 km/h. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 20. North wind 5 to 8 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 28. South wind 5 to 13 km/h.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 20. South wind 8 to 11 km/h. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 27. West wind 10 to 13 km/h becoming northeast in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Boston, Logan International Airport MA
 42.38°N 71.04°W (Elev. 49 m)
Last Update:
2:03 pm EDT Jul 14, 2025
Forecast Valid:
10pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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