Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

55°F

13°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 06 Sep 08:30 AM PDT
Extended Forecast for

Renton WA

  • Today

    Today: Mostly sunny, with a high near 73. Calm wind becoming north northwest 5 to 7 mph in the morning.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 56 °F

    Increasing
    Clouds

  • Labor Day

    Labor Day: Mostly cloudy, with a high near 70. South southwest wind 6 to 8 mph.

    High: 70 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 55. South southwest wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Calm wind becoming north 5 to 9 mph in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. Calm wind becoming north northwest 5 to 7 mph in the morning.
Tonight
Increasing clouds, with a low around 56. Calm wind becoming south southeast around 6 mph after midnight.
Labor Day
Mostly cloudy, with a high near 70. South southwest wind 6 to 8 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 55. South southwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 73. Calm wind becoming north 5 to 9 mph in the afternoon.
Tuesday Night
Clear, with a low around 56.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Partly sunny, with a high near 73.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Renton WA
 47.49°N 122.22°W (Elev. 82 ft)
11:26 pm PDT Sep 5, 2026
8am PDT Sep 6, 2026-6pm PDT Sep 12, 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