Showers and Thunderstorms for the East; Cooler Temperatures Return Sunday into Early Week

Showers and thunderstorms will accompany a cold front that will move across the eastern third of the country through Sunday. In the wake of this front, cooler temperatures will follow for most areas east of the Rockies. A wet pattern is expected to unfold across most of Florida this week with a persistent onshore flow and increase rip currents. For Hawaii, a return toward more rain the week ahead. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

57°F

14°C

Humidity 67%
Wind Speed NNW 10 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 05 Apr 11:35 AM PDT
Extended Forecast for

Newcastle WA

  • Today

    Today: Partly sunny, with a high near 68. North wind around 7 mph.

    High: 68 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 48. North wind around 5 mph becoming calm  in the evening.

    Low: 48 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 71. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. West wind 5 to 7 mph becoming north northeast in the evening.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 68. North wind around 7 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 48. North wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 71. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 43. West wind 5 to 7 mph becoming north northeast in the evening.
Tuesday
Mostly sunny, with a high near 57. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Clear, with a low around 40.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 44.
Saturday
A slight chance of rain. Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.56°N 122.18°W (Elev. 207 ft)
11:27 am PDT Apr 5, 2026
11am PDT Apr 5, 2026-6pm PDT Apr 11, 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