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.

Mostly Cloudy

52°F

11°C

Humidity 87%
Wind Speed SE 10 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 12 Jan 09:20 AM PST
Extended Forecast for

5 Miles NNW Vashon WA

  • Today

    Today: A 50 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 52. South southwest wind 11 to 13 mph, with gusts as high as 20 mph.

    High: 52 °F

    Chance Rain

  • Tonight

    Tonight: A 10 percent chance of rain before 7pm. Mostly cloudy, with a low around 46. South southwest wind 6 to 10 mph.

    Low: 46 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 55. Light and variable wind.

    High: 55 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 49. South wind 3 to 5 mph.

    High: 49 °F

    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 39.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 52. South southwest wind 11 to 13 mph, with gusts as high as 20 mph.
Tonight
A 10 percent chance of rain before 7pm. Mostly cloudy, with a low around 46. South southwest wind 6 to 10 mph.
Tuesday
Mostly cloudy, with a high near 55. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 42. Calm wind.
Wednesday
Mostly cloudy, with a high near 49. South wind 3 to 5 mph.
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 39.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Mostly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Vashon WA
 47.52°N 122.51°W (Elev. 3 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