Multiple Days of Severe Weather from Thunderstorms and Wildfires

Active spring pattern across the center of the nation with several rounds of severe thunderstorms in the forecast through the weekend. The regions under the greatest threats are the southern Plains into the Mississippi Valley. Meanwhile, dry and breezy conditions with dry fuels are aiding in wildfires across the western High Plains and the Southeast. Wind and some snow for northern Rockies. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

43°F

6°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 25 Apr 07:35 AM PDT
Extended Forecast for

Newcastle WA

  • Today

    Today: Sunny, with a high near 63. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. North wind 5 to 7 mph becoming calm  in the evening.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. North northwest wind around 6 mph becoming light and variable.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 61. Southwest wind 6 to 8 mph.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 63. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Tonight
Mostly clear, with a low around 42. North wind 5 to 7 mph becoming calm in the evening.
Sunday
Sunny, with a high near 66. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 45. North northwest wind around 6 mph becoming light and variable.
Monday
Mostly sunny, with a high near 61. Southwest wind 6 to 8 mph.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 47.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Partly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.52°N 122.17°W (Elev. 400 ft)
2:13 am PDT Apr 25, 2026
7am PDT Apr 25, 2026-6pm PDT May 1, 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