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

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

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

Clear

46°F

8°C

Humidity 75%
Wind Speed N 6 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 19 Apr 04:20 AM PDT
Extended Forecast for

Seatac WA

  • Today

    Today: Partly sunny, with a high near 73. Calm wind becoming north northwest 5 to 8 mph in the morning.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 50. North northwest wind around 5 mph becoming calm.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 72. North northeast wind around 6 mph becoming light and variable.

    High: 72 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. West wind 5 to 8 mph becoming south after midnight.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 62. Southwest wind 3 to 6 mph.

    High: 62 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 73. Calm wind becoming north northwest 5 to 8 mph in the morning.
Tonight
Partly cloudy, with a low around 50. North northwest wind around 5 mph becoming calm.
Monday
Mostly cloudy, with a high near 72. North northeast wind around 6 mph becoming light and variable.
Monday Night
Partly cloudy, with a low around 50. West wind 5 to 8 mph becoming south after midnight.
Tuesday
A 40 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 62. Southwest wind 3 to 6 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 50.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 56.
Wednesday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 46.
Thursday
Partly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 67.
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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:
11:26 pm PDT Apr 18, 2026
Forecast Valid:
4am PDT Apr 19, 2026-6pm PDT Apr 25, 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