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

Seattle, Seattle-Tacoma International Airport (KSEA)

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

Overcast

57°F

14°C

Humidity 87%
Wind Speed SW 6 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Jun 02:35 AM PDT
Extended Forecast for

Seatac WA

  • Overnight

    Overnight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 58. South wind around 6 mph.

    Low: 58 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 69. Southwest wind 6 to 11 mph.

    High: 69 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50. North wind 5 to 8 mph becoming calm after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 69. Northeast wind 5 to 7 mph becoming northwest in the morning.

    High: 69 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51. North wind 5 to 7 mph becoming calm.

    Low: 51 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly after 11am. Cloudy, with a high near 61. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers. Low around 51. Chance of precipitation is 80%.

    Low: 51 °F

    Showers

  • Saturday

    Saturday: Showers likely, mainly before 11am. Cloudy, with a high near 61.

    High: 61 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 58. South wind around 6 mph.
Wednesday
A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 69. Southwest wind 6 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 50. North wind 5 to 8 mph becoming calm after midnight.
Juneteenth
Partly sunny, with a high near 69. Northeast wind 5 to 7 mph becoming northwest in the morning.
Thursday Night
Mostly cloudy, with a low around 51. North wind 5 to 7 mph becoming calm.
Friday
Showers likely, mainly after 11am. Cloudy, with a high near 61. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers. Low around 51. Chance of precipitation is 80%.
Saturday
Showers likely, mainly before 11am. Cloudy, with a high near 61.
Saturday Night
A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 53.
Sunday
A slight chance of showers. Mostly cloudy, with a high near 70.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 80.
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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:
2:47 am PDT Jun 18, 2025
Forecast Valid:
3am PDT Jun 18, 2025-6pm PDT Jun 24, 2025
 
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