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.

Overcast

70°F

21°C

Humidity 60%
Wind Speed WSW 5 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 22 Aug 07:35 PM PDT
Extended Forecast for

2 Miles ESE Newcastle WA

  • Tonight

    Tonight: A 20 percent chance of rain after 3am. Increasing clouds, with a low around 57. West wind around 6 mph becoming light and variable.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • 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: Partly cloudy, with a low around 53. Calm wind becoming north northeast 5 to 7 mph in the evening.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 75. North northwest wind 6 to 8 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. North northwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

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

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain after 3am. Increasing clouds, with a low around 57. West wind around 6 mph becoming light and variable.
Sunday
Partly sunny, with a high near 71. South southwest wind around 6 mph becoming calm in the morning.
Sunday Night
Partly cloudy, with a low around 53. Calm wind becoming north northeast 5 to 7 mph in the evening.
Monday
Sunny, with a high near 75. North northwest wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 56. North northwest wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
A slight chance of rain before 11am. Partly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
Last Update:
11:26 am PDT Aug 22, 2026
Forecast Valid:
7pm PDT Aug 22, 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