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

Renton Municipal Airport (KRNT)

Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.

Mostly Cloudy

55°F

13°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 30 Sep 04:35 AM PDT
Extended Forecast for

2 Miles NE Mercer Island WA

  • Today

    Today: Rain, mainly after 3pm. High near 72. Southeast wind 5 to 8 mph becoming south southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Mostly Sunny
    then Rain

  • Tonight

    Tonight: Rain before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am. Low around 55. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers

  • Wednesday

    Wednesday: Rain likely, then showers and possibly a thunderstorm after 11am. High near 69. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm, then rain after 8pm. Low around 55. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers

  • Thursday

    Thursday: Rain before 5pm, then a chance of showers and thunderstorms after 5pm. High near 66. South wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of rain after 8pm. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of rain. Partly sunny, with a high near 67.

    High: 67 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance Rain

  • Saturday

    Saturday: A slight chance of rain before 11am. Partly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain then
    Partly Sunny

Detailed Forecast

Today
Rain, mainly after 3pm. High near 72. Southeast wind 5 to 8 mph becoming south southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am. Low around 55. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain likely, then showers and possibly a thunderstorm after 11am. High near 69. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm, then rain after 8pm. Low around 55. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain before 5pm, then a chance of showers and thunderstorms after 5pm. High near 66. South wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of rain after 8pm. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 67.
Friday Night
A chance of rain. Mostly cloudy, with a low around 53.
Saturday
A slight chance of rain before 11am. Partly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Mercer Island WA
 47.58°N 122.19°W (Elev. 135 ft)
Last Update:
2:25 am PDT Sep 30, 2025
Forecast Valid:
4am PDT Sep 30, 2025-6pm PDT Oct 6, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation