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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

63°F

17°C

Humidity 67%
Wind Speed SSW 5 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 01 Aug 11:15 PM PDT
Extended Forecast for

Renton WA

  • Tonight

    Tonight: Partly cloudy, with a low around 57. South wind around 8 mph.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 72. South wind 5 to 9 mph becoming north northwest in the afternoon.

    High: 72 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. North wind 5 to 9 mph becoming light north northeast after midnight.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78. Light north northeast wind becoming north 5 to 10 mph in the morning.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. North northeast wind 6 to 10 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. South wind around 8 mph.
Sunday
Partly sunny, with a high near 72. South wind 5 to 9 mph becoming north northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 54. North wind 5 to 9 mph becoming light north northeast after midnight.
Monday
Sunny, with a high near 78. Light north northeast wind becoming north 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 58. North northeast wind 6 to 10 mph.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Renton WA
 47.49°N 122.22°W (Elev. 82 ft)
Last Update:
11:26 pm PDT Aug 1, 2026
Forecast Valid:
11pm PDT Aug 1, 2026-6pm PDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation