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

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Clear

48°F

9°C

Humidity 73%
Wind Speed N 0 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 19 Apr 04:53 AM PDT
Extended Forecast for

South Seattle WA

  • Today

    Today: Partly sunny, with a high near 73. North wind 3 to 7 mph.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 51. North northwest wind around 6 mph becoming calm.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 72. Northeast wind around 5 mph becoming light and variable.

    High: 72 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51. Light and variable wind becoming south 5 to 7 mph in the evening.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 62. Light and variable wind.

    High: 62 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 73. North wind 3 to 7 mph.
Tonight
Partly cloudy, with a low around 51. North northwest wind around 6 mph becoming calm.
Monday
Mostly cloudy, with a high near 72. Northeast wind around 5 mph becoming light and variable.
Monday Night
Partly cloudy, with a low around 51. Light and variable wind becoming south 5 to 7 mph in the evening.
Tuesday
A 40 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 62. Light and variable wind.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 51.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 57.
Wednesday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 47.
Thursday
Partly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 68.
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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:
11:26 pm PDT Apr 18, 2026
Forecast Valid:
5am PDT Apr 19, 2026-6pm PDT Apr 25, 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