Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

73°F

23°C

Humidity 56%
Wind Speed N 6 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 22 Aug 11:05 AM PDT
Extended Forecast for

4 Miles SSE Newcastle WA

Extreme Heat Warning until August 26, 05:00am
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until August 26, 05:00am

    NOW until 5:00am Tue

    Extreme Heat Warning

  • Today

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 61. North northeast wind 3 to 6 mph.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 92. Calm wind becoming north around 6 mph in the morning.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. North wind around 6 mph becoming calm  in the evening.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 91. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

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

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 89. North wind around 7 mph.
Tonight
Clear, with a low around 61. North northeast wind 3 to 6 mph.
Saturday
Sunny, with a high near 92. Calm wind becoming north around 6 mph in the morning.
Saturday Night
Partly cloudy, with a low around 64. North wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 91. Calm wind becoming north northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 82.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Newcastle WA
 47.48°N 122.12°W (Elev. 499 ft)
8:00 am PDT Aug 22, 2025
11am PDT Aug 22, 2025-6pm PDT Aug 28, 2025
 
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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