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

Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Partly Cloudy

64°F

18°C

Humidity 57%
Wind Speed SSW 6 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 02 Jul 11:53 AM PDT
Extended Forecast for

2 Miles WNW Newcastle WA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 66. South southwest wind around 8 mph.

    High: 66 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. South wind 5 to 7 mph.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 73. South wind 3 to 5 mph.

    High: 73 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Increasing
    Clouds

  • Independence Day

    Independence Day: Partly sunny, with a high near 74. Light west southwest wind.

    High: 74 °F

    Partly Sunny

  • Saturday Night

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

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 66. South southwest wind around 8 mph.
Tonight
Mostly cloudy, with a low around 57. South wind 5 to 7 mph.
Friday
A 20 percent chance of rain before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 73. South wind 3 to 5 mph.
Friday Night
Increasing clouds, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.
Independence Day
Partly sunny, with a high near 74. Light west southwest wind.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Newcastle WA
 47.54°N 122.17°W (Elev. 397 ft)
Last Update:
11:26 am PDT Jul 2, 2026
Forecast Valid:
12pm PDT Jul 2, 2026-6pm PDT Jul 8, 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