Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

smoke

66°F

19°C

Humidity 77%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 59°F (15°C)
Visibility 7.00 mi
Last update 08 Aug 01:35 AM PDT
Extended Forecast for

Newcastle WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. North wind around 6 mph becoming calm  in the evening.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. North wind around 6 mph becoming calm  in the evening.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Monday Night

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

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 60. Calm wind.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 83. Light and variable wind.
Saturday Night
Mostly clear, with a low around 57. North wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 79. Light and variable wind.
Sunday Night
Mostly clear, with a low around 57. North wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 86.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.52°N 122.17°W (Elev. 400 ft)
12:45 am PDT Aug 8, 2026
1am PDT Aug 8, 2026-6pm PDT Aug 14, 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