Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

Lat: 47.44472°NLon: 122.31361°WElev: 427.0ft.

Clear

62°F

17°C

Humidity 69%
Wind Speed WNW 4 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 09 Aug 11:53 PM PDT
Extended Forecast for

Seatac WA

  • Overnight

    Overnight: Partly cloudy, with a low around 56. Light and variable wind.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. Light and variable wind becoming southwest around 5 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. North wind around 6 mph becoming calm  after midnight.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. North northeast wind 3 to 8 mph.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 56. Light and variable wind.
Monday
Mostly sunny, with a high near 77. Light and variable wind becoming southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 57. North wind around 6 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 58. North northeast wind 3 to 8 mph.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Partly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Seatac WA
 47.44°N 122.3°W (Elev. 358 ft)
11:25 pm PDT Aug 9, 2026
12am PDT Aug 10, 2026-6pm PDT Aug 16, 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