Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Clear

57°F

14°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 15 Sep 02:35 AM PDT
Extended Forecast for

South Seattle WA

  • Overnight

    Overnight: Cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain between 10am and 11am.  Cloudy through mid morning, then gradual clearing, with a high near 67. Calm wind becoming north northwest 5 to 8 mph in the morning.

    High: 67 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. North northeast wind 5 to 9 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. North wind 5 to 10 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 55. North wind 5 to 9 mph becoming light north northeast  after midnight.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Thursday Night

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

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Cloudy, with a low around 55. Calm wind.
Tuesday
A 20 percent chance of rain between 10am and 11am. Cloudy through mid morning, then gradual clearing, with a high near 67. Calm wind becoming north northwest 5 to 8 mph in the morning.
Tuesday Night
Mostly clear, with a low around 53. North northeast wind 5 to 9 mph.
Wednesday
Sunny, with a high near 73. North wind 5 to 10 mph.
Wednesday Night
Clear, with a low around 55. North wind 5 to 9 mph becoming light north northeast after midnight.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 55.
Friday
Mostly sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 55.
Saturday
Partly sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 55.
Monday
A slight chance of rain. Partly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
South Seattle WA
 47.55°N 122.3°W (Elev. 200 ft)
11:26 pm PDT Sep 14, 2026
2am PDT Sep 15, 2026-6pm PDT Sep 21, 2026
 
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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