Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

74°F

23°C

Humidity 49%
Wind Speed SSW 11 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 27 Aug 03:53 PM PDT
Extended Forecast for

Renton WA

  • Tonight

    Tonight: Increasing clouds, with a low around 58. Southwest wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 58 °F

    Increasing
    Clouds

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 74. South wind 3 to 5 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Rain likely, mainly after 4am.  Cloudy, with a low around 57. West northwest wind around 6 mph becoming south after midnight.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Slight Chance
    Rain then
    Rain Likely

  • Saturday

    Saturday: Rain likely, mainly before 11am.  Mostly cloudy, with a high near 71. South southwest wind around 6 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of rain before 11pm.  Mostly cloudy, with a low around 55. South wind 3 to 5 mph.

    Low: 55 °F

    Chance Rain
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 58. Southwest wind 5 to 10 mph becoming light and variable after midnight.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 74. South wind 3 to 5 mph.
Friday Night
Rain likely, mainly after 4am. Cloudy, with a low around 57. West northwest wind around 6 mph becoming south after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 71. South southwest wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 55. South wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Partly sunny, with a high near 74.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 72.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 56.
Wednesday
Rain likely. Mostly cloudy, with a high near 68.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 55.
Thursday
A chance of rain. Mostly cloudy, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Renton WA
 47.49°N 122.22°W (Elev. 82 ft)
12:56 pm PDT Aug 27, 2026
4pm PDT Aug 27, 2026-6pm PDT Sep 3, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database