Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

29°C

84°F

Humidity 37%
Wind Speed NNW 11 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 13°C (55°F)
Visibility 16 km
Heat Index28°C (83°F)
Last update 30 Jun 06:53 PM PDT
Extended Forecast for

Newcastle WA

  • Tonight

    Tonight: Mostly clear, with a low around 16. North wind 5 to 10 km/h becoming calm  after midnight.

    Low: 16 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 28. Light north wind becoming north northwest 6 to 11 km/h in the morning.

    High: 28 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 14. North northeast wind 5 to 10 km/h.

    Low: 14 °C

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24. Calm wind becoming west southwest 5 to 10 km/h in the morning.

    High: 24 °C

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 13. West wind 5 to 10 km/h becoming calm  after midnight.

    Low: 13 °C

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 23.

    High: 23 °C

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12.

    Low: 12 °C

    Partly Cloudy

  • Independence Day

    Independence Day: Mostly sunny, with a high near 24.

    High: 24 °C

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 12.

    Low: 12 °C

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 16. North wind 5 to 10 km/h becoming calm after midnight.
Tuesday
Sunny, with a high near 28. Light north wind becoming north northwest 6 to 11 km/h in the morning.
Tuesday Night
Mostly clear, with a low around 14. North northeast wind 5 to 10 km/h.
Wednesday
Mostly sunny, with a high near 24. Calm wind becoming west southwest 5 to 10 km/h in the morning.
Wednesday Night
Mostly cloudy, with a low around 13. West wind 5 to 10 km/h becoming calm after midnight.
Thursday
Partly sunny, with a high near 23.
Thursday Night
Partly cloudy, with a low around 12.
Independence Day
Mostly sunny, with a high near 24.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Mostly sunny, with a high near 24.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Mostly sunny, with a high near 24.
Sunday Night
Mostly clear, with a low around 13.
Monday
Sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.52°N 122.17°W (Elev. 400 m)
3:40 pm PDT Jun 30, 2025
7pm PDT Jun 30, 2025-6pm PDT Jul 7, 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