Significant Coastal Impacts to the Mid-Atlantic and Northeast; Tropical Storm Nolo to Impact Hawaii

A strong coastal storm will bring moderate to major coastal flooding, strong winds, heavy rainfall and high surf to the Mid-Atlantic and New England. Tropical Storm Nolo is expected to strengthen into a hurricane Thursday as it moves north toward the Big Island of Hawaii. Heavy rainfall will continue through Saturday, with locally catastrophic flooding possible. Hurricane Watch in effect. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Clear

59°F

15°C

Humidity 54%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 23 Sep 09:20 PM PDT
Extended Forecast for

4 Miles NNW Vashon WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. North northeast wind around 6 mph.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain, mainly after 2pm.  Mostly cloudy, with a high near 61. North wind 6 to 8 mph.

    High: 61 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain, mainly before 4am, then showers after 4am.  Low around 52. Light and variable wind.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Rain

  • Friday

    Friday: Showers and possibly a thunderstorm before 11am, then showers likely between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  High near 60. North wind 5 to 11 mph becoming south in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 11pm.  Partly cloudy, with a low around 48. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. North northeast wind around 6 mph.
Thursday
A 30 percent chance of rain, mainly after 2pm. Mostly cloudy, with a high near 61. North wind 6 to 8 mph.
Thursday Night
Rain, mainly before 4am, then showers after 4am. Low around 52. Light and variable wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Showers and possibly a thunderstorm before 11am, then showers likely between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. High near 60. North wind 5 to 11 mph becoming south in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 48. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 57.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 50.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 58.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Vashon WA
 47.5°N 122.48°W (Elev. 0 ft)
1:00 pm PDT Sep 23, 2026
9pm PDT Sep 23, 2026-6pm PDT Sep 30, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database