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

Renton Municipal Airport (KRNT)

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

Clear

56°F

13°C

Humidity 61%
Wind Speed N 4 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 24 Sep 02:53 AM PDT
Extended Forecast for

2 Miles SE Mercer Island WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 51. Light north northeast wind.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 10 percent chance of rain after 5pm.  Mostly cloudy, with a high near 64. North northeast wind 3 to 5 mph.

    High: 64 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Rain.  Low around 53. Calm wind.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Rain

  • Friday

    Friday: Rain, mainly between 9am and 11am, then showers and possibly a thunderstorm after 11am.  High near 63. South southwest wind 5 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 63 °F

    Showers

  • Friday Night

    Friday Night: Rain likely before 11pm.  Mostly cloudy, with a low around 49. South wind 7 to 9 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Rain Likely
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °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 65.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 51. Light north northeast wind.
Thursday
A 10 percent chance of rain after 5pm. Mostly cloudy, with a high near 64. North northeast wind 3 to 5 mph.
Thursday Night
Rain. Low around 53. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain, mainly between 9am and 11am, then showers and possibly a thunderstorm after 11am. High near 63. South southwest wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain likely before 11pm. Mostly cloudy, with a low around 49. South wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 65.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Tuesday
A chance of rain. Mostly cloudy, with a high near 65.
Tuesday Night
A chance of rain. Partly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Mercer Island WA
 47.54°N 122.2°W (Elev. 3 ft)
11:26 pm PDT Sep 23, 2026
3am PDT Sep 24, 2026-6pm PDT Sep 30, 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