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

66°F

19°C

Humidity 68%
Wind Speed N 6 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 13 Jul 07:53 AM PDT
Extended Forecast for

Newcastle WA

  • Today

    Today: Sunny, with a high near 87. Calm wind becoming north northwest 5 to 7 mph in the morning.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. North northeast wind 6 to 8 mph.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 79. Light and variable wind becoming northwest around 6 mph in the afternoon.

    High: 79 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. North northeast wind around 6 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. North wind 5 to 8 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 87. Calm wind becoming north northwest 5 to 7 mph in the morning.
Tonight
Partly cloudy, with a low around 61. North northeast wind 6 to 8 mph.
Monday
Partly sunny, with a high near 79. Light and variable wind becoming northwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 60. North northeast wind around 6 mph.
Tuesday
Sunny, with a high near 87. North wind 5 to 8 mph.
Tuesday Night
Clear, with a low around 63.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.52°N 122.17°W (Elev. 400 ft)
8:00 am PDT Jul 13, 2025
8am 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