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

Areas of Excessive Rainfall and Severe Thunderstorm Potential Today

Widespread showers and thunderstorms are forecast for much of the Eastern and Southern U.S. today. Isolated severe thunderstorms may produce large hail and damaging winds over eastern North Carolina and eastern Florida. In the Northeast U.S. heavy rainfall through Saturday may result in isolated flash flooding and minor flooding on rivers and streams. Flood Watches are in effect. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

56°F

13°C

Humidity 59%
Wind Speed N 5 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 09 May 09:53 AM PDT
Extended Forecast for

Newcastle WA

  • Today

    Today: Partly sunny, with a high near 69. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 69 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. Northwest wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 63. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 63 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48. South wind 3 to 6 mph.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 62. Southwest wind 3 to 6 mph.

    High: 62 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 69. Calm wind becoming west northwest around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 49. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 63. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 48. South wind 3 to 6 mph.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 62. Southwest wind 3 to 6 mph.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 49.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 60.
Monday Night
A slight chance of showers before 11pm. Mostly cloudy, with a low around 49.
Tuesday
Mostly cloudy, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Mostly cloudy, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
Partly sunny, with a high near 63.
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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:
9:40 am PDT May 9, 2025
Forecast Valid:
10am PDT May 9, 2025-6pm PDT May 15, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation