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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

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

Clear

50°F

10°C

Humidity 76%
Wind Speed ENE 8 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 18 Oct 12:15 AM PDT
Extended Forecast for

Seatac WA

  • Overnight

    Overnight: Clear, with a low around 45. North northeast wind around 6 mph.

    Low: 45 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 59. North wind 3 to 8 mph.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 45. North wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 60. Calm wind.

    High: 60 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45. North wind 3 to 6 mph.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 45. North northeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 59. North wind 3 to 8 mph.
Sunday Night
Increasing clouds, with a low around 45. North wind around 5 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 60. Calm wind.
Monday Night
Mostly cloudy, with a low around 45. North wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
A slight chance of rain after 11am. Mostly cloudy, with a high near 59.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 44.
Friday
A slight chance of rain. Partly sunny, with a high near 58.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 43.
Saturday
A slight chance of rain. Mostly cloudy, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seatac WA
 47.44°N 122.27°W (Elev. 253 ft)
Last Update:
11:26 pm PDT Oct 17, 2026
Forecast Valid:
12am PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
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Additional Resources

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Chance of Precipitation