Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Mostly Cloudy

72°F

22°C

Humidity 53%
Wind Speed S 6 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Jul 07:53 PM PDT
Extended Forecast for

3 Miles E Newcastle WA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 70. South wind 5 to 8 mph becoming west southwest in the afternoon.

    High: 70 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. Light and variable wind becoming south around 5 mph after midnight.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 69. Light and variable wind.

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. Light and variable wind.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 11am.  Mostly sunny, with a high near 71. Light and variable wind.

    High: 71 °F

    Slight Chance
    Showers

  • Monday Night

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

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 70. South wind 5 to 8 mph becoming west southwest in the afternoon.
Tonight
Mostly cloudy, with a low around 53. Light and variable wind becoming south around 5 mph after midnight.
Sunday
Partly sunny, with a high near 69. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 55. Light and variable wind.
Monday
A 20 percent chance of showers after 11am. Mostly sunny, with a high near 71. Light and variable wind.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
2:25 am PDT Jul 19, 2025
6am PDT Jul 19, 2025-6pm PDT Jul 25, 2025
 
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