National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Spring Severe Thunderstorms, Excessive Rainfall, and Snow Early This Week

Scattered strong to severe thunderstorms are possible Tuesday and Wednesday afternoon and evening from east Texas into western Alabama. Damaging winds, large hail, and a couple of tornadoes will be possible. Excessive rainfall in this area may lead to flooding as well. Late-season snow is expected over parts of the central Rockies including the Denver Metro tonight into Wednesday. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

70°F

21°C

Humidity 46%
Wind Speed SSE 4 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 04 May 10:00 AM PDT
Extended Forecast for

Newcastle WA

  • Today

    Today: Sunny, with a high near 80. West northwest wind around 6 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. West northwest wind around 7 mph becoming south southeast in the evening.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Southwest wind around 7 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 53. South wind around 6 mph.

    Low: 53 °F

    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. South wind 5 to 7 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 80. West northwest wind around 6 mph.
Tonight
Mostly clear, with a low around 53. West northwest wind around 7 mph becoming south southeast in the evening.
Tuesday
Sunny, with a high near 75. Southwest wind around 7 mph.
Tuesday Night
Clear, with a low around 53. South wind around 6 mph.
Wednesday
Mostly sunny, with a high near 72. South wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
Mostly cloudy, with a high near 66.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.54°N 122.17°W (Elev. 397 ft)
Last Update:
11:26 pm PDT May 3, 2026
Forecast Valid:
10am PDT May 4, 2026-6pm PDT May 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation