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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

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

Mist

48°F

9°C

Humidity 100%
Wind Speed SSW 9 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 48°F (9°C)
Visibility 3.00 mi
Wind Chill44°F (7°C)
Last update 12 Jan 09:00 AM PST
Extended Forecast for

Seattle-Tacoma International Airport WA

  • Today

    Today: A 40 percent chance of rain, mainly between 1pm and 3pm. Cloudy, with a high near 53. South southwest wind around 11 mph.

    High: 53 °F

    Chance Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. South wind 6 to 10 mph.

    Low: 47 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. Light and variable wind.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 50. South wind 3 to 5 mph.

    High: 50 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of rain, mainly between 1pm and 3pm. Cloudy, with a high near 53. South southwest wind around 11 mph.
Tonight
Mostly cloudy, with a low around 47. South wind 6 to 10 mph.
Tuesday
Partly sunny, with a high near 56. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 42. Light and variable wind.
Wednesday
Partly sunny, with a high near 50. South wind 3 to 5 mph.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
Partly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Sunny, with a high near 50.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Mostly sunny, with a high near 50.
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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 ft)
Last Update:
7:00 am PST Jan 12, 2026
Forecast Valid:
9am PST Jan 12, 2026-6pm PST Jan 18, 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