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

50°F

10°C

Humidity 89%
Wind Speed SSE 9 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 18 Oct 07:53 PM PDT
Extended Forecast for

Seatac WA

  • Tonight

    Tonight: Rain. Steady temperature around 51. South wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Rain

  • Sunday

    Sunday: Rain, mainly before 4pm, then showers and possibly a thunderstorm after 5pm. High near 57. South southwest wind 15 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then rain, mainly between 8pm and 11pm. Low around 46. South wind 8 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers then
    Chance Rain

  • Monday

    Monday: A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 59. South wind around 8 mph.

    High: 59 °F

    Chance Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 43. Southeast wind 3 to 6 mph.

    Low: 43 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain before 11am. Mostly sunny, with a high near 61.

    High: 61 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 59.

    High: 59 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Rain

Detailed Forecast

Tonight
Rain. Steady temperature around 51. South wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain, mainly before 4pm, then showers and possibly a thunderstorm after 5pm. High near 57. South southwest wind 15 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then rain, mainly between 8pm and 11pm. Low around 46. South wind 8 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 59. South wind around 8 mph.
Monday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 43. Southeast wind 3 to 6 mph.
Tuesday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 61.
Tuesday Night
A 20 percent chance of rain after 11pm. Partly cloudy, with a low around 45.
Wednesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 59.
Wednesday Night
Rain. Mostly cloudy, with a low around 50.
Thursday
Rain likely. Cloudy, with a high near 61.
Thursday Night
Rain. Cloudy, with a low around 52.
Friday
Rain. Cloudy, with a high near 58.
Friday Night
Rain. Cloudy, with a low around 47.
Saturday
Rain. Cloudy, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seatac WA
 47.44°N 122.3°W (Elev. 358 ft)
Last Update:
8:01 pm PDT Oct 18, 2025
Forecast Valid:
8pm PDT Oct 18, 2025-6pm PDT Oct 25, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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