Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

68°F

20°C

Humidity 64%
Wind Speed N 5 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 13 Jul 08:53 AM PDT
Extended Forecast for

Newcastle WA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 86. North wind 3 to 7 mph.

    High: 86 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. North northeast wind 6 to 8 mph.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 78. North northeast wind around 6 mph becoming northwest in the morning.

    High: 78 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. North northeast wind 5 to 7 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. North wind 5 to 8 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 86. North wind 3 to 7 mph.
Tonight
Partly cloudy, with a low around 60. North northeast wind 6 to 8 mph.
Monday
Partly sunny, with a high near 78. North northeast wind around 6 mph becoming northwest in the morning.
Monday Night
Mostly clear, with a low around 59. North northeast wind 5 to 7 mph.
Tuesday
Sunny, with a high near 85. North wind 5 to 8 mph.
Tuesday Night
Clear, with a low around 61.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
8:34 am PDT Jul 13, 2025
9am PDT Jul 13, 2025-6pm PDT Jul 19, 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