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

Boeing Field - King County International Airport (KBFI)

Lat: 47.54548°NLon: 122.3147°WElev: 20.0ft.

Overcast

54°F

12°C

Humidity 81%
Wind Speed SE 10 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 12 Jan 03:20 PM PST
Extended Forecast for

South Seattle WA

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Cloudy, with a high near 54. South wind around 13 mph.

    High: 54 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 48. South wind 5 to 8 mph.

    Low: 48 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before 11pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy dense fog before 7am. Otherwise, mostly cloudy, with a high near 51. Calm wind.

    High: 51 °F

    Patchy Dense
    Fog then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °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 38.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Cloudy, with a high near 54. South wind around 13 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 48. South wind 5 to 8 mph.
Tuesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 58. Calm wind.
Tuesday Night
Patchy fog before 11pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 44. Calm wind.
Wednesday
Patchy dense fog before 7am. Otherwise, mostly cloudy, with a high near 51. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
Partly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 36.
M.L.King Day
Mostly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Seattle WA
 47.55°N 122.3°W (Elev. 200 ft)
Last Update:
1:25 pm PST Jan 12, 2026
Forecast Valid:
3pm PST Jan 12, 2026-6pm PST Jan 19, 2026
 
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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