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

Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

Lat: 47.54548°NLon: 122.3147°WElev: 20.0ft.

Overcast

59°F

15°C

Humidity 72%
Wind Speed S 8 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 29 Jun 12:35 PM PDT
Extended Forecast for

South Seattle WA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 70. South southwest wind around 6 mph.

    High: 70 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 55. Southwest wind 6 to 9 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 67. South wind around 9 mph.

    High: 67 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. South southwest wind around 9 mph.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 67. South southwest wind around 8 mph.

    High: 67 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 70. South southwest wind around 6 mph.
Tonight
Increasing clouds, with a low around 55. Southwest wind 6 to 9 mph.
Tuesday
Mostly cloudy, with a high near 67. South wind around 9 mph.
Tuesday Night
Mostly cloudy, with a low around 54. South southwest wind around 9 mph.
Wednesday
Mostly cloudy, with a high near 67. South southwest wind around 8 mph.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
Partly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 56.
Independence Day
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Seattle WA
 47.55°N 122.3°W (Elev. 200 ft)
Last Update:
12:35 pm PDT Jun 29, 2026
Forecast Valid:
12pm PDT Jun 29, 2026-6pm PDT Jul 5, 2026
 
Forecast Discussion
 
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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