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

Hazardous Weather Conditions

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

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

Rain

40°F

4°C

Humidity 85%
Wind Speed NE 11 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 15 Apr 06:53 PM PDT
Extended Forecast for

Seatac WA

Frost Advisory April 16, 01:00am until April 16, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Rain, possibly mixed with snow showers, mainly before 9pm. Some thunder is also possible. Patchy frost after 2am. Low around 35. East northeast wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    then Patchy
    Frost

  • Thursday

    Thursday: Patchy frost before 8am. Otherwise, sunny, with a high near 55. South southwest wind 5 to 7 mph.

    High: 55 °F

    Patchy Frost
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. Southwest wind 5 to 7 mph.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. Light northeast wind.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A slight chance of rain. Mostly cloudy, with a high near 65.

    High: 65 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain, possibly mixed with snow showers, mainly before 9pm. Some thunder is also possible. Patchy frost after 2am. Low around 35. East northeast wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Patchy frost before 8am. Otherwise, sunny, with a high near 55. South southwest wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 40. Southwest wind 5 to 7 mph.
Friday
Mostly sunny, with a high near 57. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 42. Light northeast wind.
Saturday
Mostly cloudy, with a high near 63.
Saturday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 47.
Sunday
A slight chance of rain. Mostly cloudy, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 64.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Wednesday
A chance of rain. Mostly cloudy, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seatac WA
 47.44°N 122.3°W (Elev. 358 ft)
Last Update:
2:10 pm PDT Apr 15, 2026
Forecast Valid:
7pm PDT Apr 15, 2026-6pm PDT Apr 22, 2026
 
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