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

Lala Impacting Hawaii; Flash Flooding Risks; Excessive Heat

Lala will continue to impact Hawaii through the weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Thunderstorms, heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians and the mid-Atlantic through today. Record heat continues for areas of the Mississippi Valley into the Southeast. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Partly Cloudy

73°F

23°C

Humidity 56%
Wind Speed N 5 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 16 Aug 04:00 PM PDT
Extended Forecast for

Newcastle WA

  • Tonight

    Tonight: Patchy smoke between 7pm and 10pm. Mostly cloudy, with a low around 57. Calm wind becoming north northwest around 5 mph.

    Low: 57 °F

    Patchy Smoke
    then Mostly
    Cloudy

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 77. Light and variable wind.

    High: 77 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 77. West southwest wind 3 to 5 mph.

    High: 77 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy smoke between 7pm and 10pm. Mostly cloudy, with a low around 57. Calm wind becoming north northwest around 5 mph.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 77. Light and variable wind.
Monday Night
Mostly clear, with a low around 58. Calm wind becoming south southeast around 5 mph after midnight.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 77. West southwest wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 57. Calm wind becoming south southwest around 6 mph after midnight.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Partly sunny, with a high near 76.
Friday Night
A chance of rain. Mostly cloudy, with a low around 57.
Saturday
A chance of rain. Mostly cloudy, with a high near 69.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 57.
Sunday
A slight chance of rain. Partly sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.55°N 122.14°W (Elev. 538 ft)
Last Update:
1:15 pm PDT Aug 16, 2026
Forecast Valid:
4pm PDT Aug 16, 2026-6pm PDT Aug 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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