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

Hazardous Weather Conditions

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

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

Fog

34°F

1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 34°F (1°C)
Visibility 0.13 mi
Last update 31 Dec 05:20 AM PST
Extended Forecast for

Vashon WA

Dense Fog Advisory until December 31, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until December 31, 10:00am

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 33 °F

    Areas Dense
    Fog

  • Wednesday

    Wednesday: Areas of dense fog before 11am. Otherwise, partly sunny, with a high near 43. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 43 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33. South southwest wind around 6 mph.

    Low: 33 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 30 percent chance of rain after 4pm. Cloudy, with a high near 42. South wind around 6 mph.

    High: 42 °F

    Cloudy then
    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 10pm. Cloudy, with a low around 40. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain Likely

  • Friday

    Friday: Rain likely. Cloudy, with a high near 48. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely. Cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Rain Likely

  • Saturday

    Saturday: Rain. Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain

Detailed Forecast

Overnight
Areas of dense fog. Otherwise, mostly cloudy, with a low around 33. South southwest wind around 5 mph.
Wednesday
Areas of dense fog before 11am. Otherwise, partly sunny, with a high near 43. Calm wind becoming south southeast around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 33. South southwest wind around 6 mph.
New Year's Day
A 30 percent chance of rain after 4pm. Cloudy, with a high near 42. South wind around 6 mph.
Thursday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 40. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely. Cloudy, with a high near 48. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely. Cloudy, with a low around 44. Chance of precipitation is 70%.
Saturday
Rain. Mostly cloudy, with a high near 49.
Saturday Night
Rain. Mostly cloudy, with a low around 43.
Sunday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 47.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 41.
Monday
A chance of rain. Mostly cloudy, with a high near 46.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 39.
Tuesday
A chance of rain. Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vashon WA
 47.46°N 122.47°W (Elev. 381 ft)
Last Update:
1:25 am PST Dec 31, 2025
Forecast Valid:
5am PST Dec 31, 2025-6pm PST Jan 6, 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