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Hazardous Weather Conditions

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

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

Clear

29°C

84°F

Humidity 32%
Wind Speed NNW 12 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 11°C (52°F)
Visibility 16 km
Heat Index28°C (82°F)
Last update 15 Jul 03:30 PM PDT
Extended Forecast for

Seattle-Tacoma International Airport WA

Heat Advisory until July 16, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 16, 10:00pm

    NOW until 10:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 31 °C

    Sunny

  • Tonight

    Tonight: Clear, with a low around 17. North northeast wind 8 to 18 km/h.

    Low: 17 °C

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 33. Light and variable wind becoming west 8 to 13 km/h in the morning.

    High: 33 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 16. Northwest wind 8 to 11 km/h.

    Low: 16 °C

    Clear

  • Thursday

    Thursday: Sunny, with a high near 29. Southwest wind 10 to 13 km/h becoming west northwest in the afternoon.

    High: 29 °C

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 16.

    Low: 16 °C

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 28.

    High: 28 °C

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 14.

    Low: 14 °C

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 31. North wind around 23 km/h.
Tonight
Clear, with a low around 17. North northeast wind 8 to 18 km/h.
Wednesday
Sunny, with a high near 33. Light and variable wind becoming west 8 to 13 km/h in the morning.
Wednesday Night
Clear, with a low around 16. Northwest wind 8 to 11 km/h.
Thursday
Sunny, with a high near 29. Southwest wind 10 to 13 km/h becoming west northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 16.
Friday
Sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 14.
Saturday
Partly sunny, with a high near 24.
Saturday Night
Partly cloudy, with a low around 14.
Sunday
Partly sunny, with a high near 23.
Sunday Night
Partly cloudy, with a low around 14.
Monday
Partly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seattle-Tacoma International Airport WA
 47.46°N 122.31°W (Elev. 400 m)
Last Update:
2:25 pm PDT Jul 15, 2025
Forecast Valid:
3pm PDT Jul 15, 2025-6pm PDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation