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

75°F

24°C

Humidity 64%
Wind Speed NNW 8 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 12 Jul 08:53 PM PDT
Extended Forecast for

Newcastle WA

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Northeast wind around 6 mph.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 86. North wind 3 to 7 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62. Northeast wind around 7 mph.

    Low: 62 °F

    Partly Cloudy

  • Monday

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

    High: 79 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. North northwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

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

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. Northeast wind around 6 mph.
Sunday
Sunny, with a high near 86. North wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 62. Northeast wind around 7 mph.
Monday
Partly sunny, with a high near 79. Light and variable wind becoming west northwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 59. North northwest wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Clear, with a low around 62.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 82.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.54°N 122.17°W (Elev. 397 ft)
8:00 pm PDT Jul 12, 2025
11pm PDT Jul 12, 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