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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Mostly Cloudy

48°F

9°C

Humidity 57%
Wind Speed SSE 9 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 27 Jan 06:00 PM PST
Extended Forecast for

South Seattle WA

  • Tonight

    Tonight: Rain likely, mainly after 3am. Cloudy, with a low around 40. South southeast wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday

    Wednesday: Rain. High near 52. South wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 46. Southeast wind around 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Rain

  • Thursday

    Thursday: Rain. High near 53. South southeast wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: Rain. Low around 46. South southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain

  • Friday

    Friday: Rain. High near 54. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.

    Low: 44 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain, mainly before 10am. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A slight chance of rain. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Rain likely, mainly after 3am. Cloudy, with a low around 40. South southeast wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. High near 52. South wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Low around 46. Southeast wind around 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. High near 53. South southeast wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 46. South southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 54. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Saturday
A chance of rain, mainly before 10am. Mostly cloudy, with a high near 57.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 42.
Sunday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 56.
Sunday Night
Rain likely. Mostly cloudy, with a low around 44.
Monday
A chance of rain. Mostly cloudy, with a high near 54.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 56.
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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:
1:26 pm PST Jan 27, 2026
Forecast Valid:
6pm PST Jan 27, 2026-6pm PST Feb 3, 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