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

Boeing Field - King County International Airport (KBFI)

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

light rain,mist

52°F

11°C

Humidity 87%
Wind Speed S 12 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 48°F (9°C)
Visibility 5.00 mi
Last update 21 May 12:35 PM PDT
Extended Forecast for

Mercer Island WA

  • This Afternoon

    This Afternoon: Rain. Patchy fog after 1pm. High near 54. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain and
    Patchy Fog

  • Tonight

    Tonight: Showers likely, mainly before 2am. Mostly cloudy, with a low around 48. South southwest wind 11 to 13 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 59. South southwest wind 5 to 11 mph.

    High: 59 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50. South wind 3 to 6 mph.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 64. South wind around 7 mph.

    High: 64 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Rain. Patchy fog after 1pm. High near 54. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Showers likely, mainly before 2am. Mostly cloudy, with a low around 48. South southwest wind 11 to 13 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 50 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 59. South southwest wind 5 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 50. South wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 64. South wind around 7 mph.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 60.
Friday Night
A chance of showers. Mostly cloudy, with a low around 47.
Saturday
A chance of showers. Mostly cloudy, with a high near 60.
Saturday Night
A slight chance of showers before 11pm. Mostly cloudy, with a low around 49.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 50.
Memorial Day
Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WA
 47.6°N 122.25°W (Elev. 3 ft)
Last Update:
9:40 am PDT May 21, 2024
Forecast Valid:
12pm PDT May 21, 2024-6pm PDT May 27, 2024
 
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