Showers and Storms continue across the East; Heat, Critical Fire Weather, Drought, and Poor Air Quality continues in the West

A series of fronts will focus locally heavy showers and storms across portions of the central and eastern U.S. through the end of the workweek. Dangerous to extreme heat continues across the Southwest U.S., eventually spreading eastward over the weekend into early next week. Elevated fire weather conditions continue across the Great Basin, with degraded air quality lingering across the Northwest. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

haze

81°F

27°C

Humidity 39%
Wind Speed NNW 10 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 54°F (12°C)
Visibility 5.00 mi
Heat Index81°F (27°C)
Last update 04 Aug 04:15 PM PDT
Extended Forecast for

Newcastle WA

Heat Advisory August 5, 10:00am until August 6, 10:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Areas of smoke. Mostly clear, with a low around 58. Northeast wind 3 to 6 mph.

    Low: 58 °F

    Areas Smoke

  • Wednesday

    Wednesday: Patchy smoke. Sunny, with a high near 87. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 87 °F

    Patchy Smoke

  • Wednesday Night

    Wednesday Night: Patchy smoke before 3am. Mostly clear, with a low around 60. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Patchy Smoke

  • Thursday

    Thursday: Sunny, with a high near 88. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. North northwest wind around 5 mph becoming light and variable  in the evening.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of smoke. Mostly clear, with a low around 58. Northeast wind 3 to 6 mph.
Wednesday
Patchy smoke. Sunny, with a high near 87. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
Patchy smoke before 3am. Mostly clear, with a low around 60. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 88. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 61. North northwest wind around 5 mph becoming light and variable in the evening.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 59.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 79.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.54°N 122.17°W (Elev. 397 ft)
11:26 am PDT Aug 4, 2026
4pm PDT Aug 4, 2026-6pm PDT Aug 11, 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