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.

light rain,mist

48°F

9°C

Humidity 87%
Wind Speed SSW 8 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 45°F (7°C)
Visibility 5.00 mi
Wind Chill44°F (7°C)
Last update 12 Jan 05:35 AM PST
Extended Forecast for

South Seattle WA

  • Overnight

    Overnight: Rain likely. Mostly cloudy, with a low around 46. South wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain Likely

  • Monday

    Monday: A 40 percent chance of rain, mainly before 4pm. Cloudy, with a high near 54. South wind around 10 mph.

    High: 54 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 47. South wind 5 to 9 mph becoming light south southeast after midnight.

    Low: 47 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 51.

    High: 51 °F

    Patchy Fog
    then 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 51.

    High: 51 °F

    Partly Sunny

  • Thursday Night

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

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain likely. Mostly cloudy, with a low around 46. South wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 40 percent chance of rain, mainly before 4pm. Cloudy, with a high near 54. South wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 47. South wind 5 to 9 mph becoming light south southeast after midnight.
Tuesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 57. Calm wind.
Tuesday Night
Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Wednesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
Partly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Sunny, with a high near 51.
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
Mostly sunny, with a high near 51.
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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 am PST Jan 12, 2026
Forecast Valid:
5am PST Jan 12, 2026-6pm PST Jan 18, 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