Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Partly Cloudy

61°F

16°C

Humidity 63%
Wind Speed N 4 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 26 May 06:20 PM PDT
Extended Forecast for

Newcastle WA

  • Tonight

    Tonight: Partly cloudy, with a low around 49. North wind around 6 mph becoming calm  in the evening.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 74. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. North wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 52. Light and variable wind becoming south southwest 5 to 9 mph in the evening.

    Low: 52 °F

    Chance Rain

  • Friday

    Friday: A 50 percent chance of rain.  Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 49. North wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 74. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 54. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 80. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 52. Light and variable wind becoming south southwest 5 to 9 mph in the evening.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 60.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.54°N 122.17°W (Elev. 397 ft)
5:41 pm PDT May 26, 2026
6pm PDT May 26, 2026-6pm PDT Jun 2, 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