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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

61°F

16°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 23 Aug 04:35 AM PDT
Extended Forecast for

3 Miles ESE Newcastle WA

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 60. South wind around 7 mph.

    Low: 60 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 71. South southwest wind around 6 mph becoming calm in the morning.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. North northeast wind 3 to 7 mph.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Patchy smoke after 1pm. Sunny, with a high near 76. North wind 6 to 8 mph.

    High: 76 °F

    Sunny then
    Patchy Smoke

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. North wind 3 to 8 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

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

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 60. South wind around 7 mph.
Sunday
Partly sunny, with a high near 71. South southwest wind around 6 mph becoming calm in the morning.
Sunday Night
Mostly clear, with a low around 53. North northeast wind 3 to 7 mph.
Monday
Patchy smoke after 1pm. Sunny, with a high near 76. North wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 55. North wind 3 to 8 mph.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly cloudy, with a high near 71.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 51.
Saturday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
Last Update:
11:26 pm PDT Aug 22, 2026
Forecast Valid:
4am PDT Aug 23, 2026-6pm PDT Aug 29, 2026
 
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