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

Renton Municipal Airport (KRNT)

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

Clear

66°F

19°C

Humidity 59%
Wind Speed N 3 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 01 Oct 05:35 PM PDT
Extended Forecast for

3 Miles E Newcastle WA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Decreasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 67. Light south wind.

    High: 67 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 65. North northwest wind 3 to 5 mph.

    High: 65 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. Northeast wind 3 to 5 mph.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 51. Calm wind.
Friday
Partly sunny, with a high near 67. Light south wind.
Friday Night
Mostly cloudy, with a low around 51. Calm wind becoming north northeast around 5 mph after midnight.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 65. North northwest wind 3 to 5 mph.
Saturday Night
Mostly clear, with a low around 51. Northeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
Last Update:
1:20 pm PDT Oct 1, 2026
Forecast Valid:
5pm PDT Oct 1, 2026-6pm PDT Oct 8, 2026
 
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