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Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Partly Cloudy

53°F

12°C

Humidity 42%
Wind Speed S 5 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 16 Apr 01:53 PM PDT
Extended Forecast for

South Seattle WA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 56. South southwest wind 5 to 8 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. South wind 5 to 7 mph becoming calm after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, then becoming mostly cloudy during the afternoon, with a high near 57. Light and variable wind.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. Light north northeast wind.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 67. Calm wind.

    High: 67 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 56. South southwest wind 5 to 8 mph.
Tonight
Mostly cloudy, with a low around 40. South wind 5 to 7 mph becoming calm after midnight.
Friday
Sunny, then becoming mostly cloudy during the afternoon, with a high near 57. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 42. Light north northeast wind.
Saturday
Mostly cloudy, with a high near 67. Calm wind.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
Mostly cloudy, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
Partly sunny, with a high near 70.
Monday Night
A slight chance of rain after 11pm. Partly cloudy, with a low around 51.
Tuesday
A chance of rain. Partly sunny, with a high near 63.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 51.
Wednesday
A chance of rain. Mostly cloudy, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Seattle WA
 47.57°N 122.28°W (Elev. 10 ft)
Last Update:
11:27 am PDT Apr 16, 2026
Forecast Valid:
2pm PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation