Air Quality Concerns; Fire Weather in the West; Flash Flooding in the Southeast

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Severe thunderstorms continue across the Northern Plains Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Partly Cloudy

70°F

21°C

Humidity 56%
Wind Speed SW 8 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 04 Aug 07:53 PM PDT
Extended Forecast for

4 Miles SSE Newcastle WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. West wind around 6 mph becoming calm.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 76. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 76 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 60. Light south wind.

    Low: 60 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, then showers and possibly a thunderstorm after 5pm.  High near 70. South southwest wind 3 to 6 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then rain, mainly after 8pm.  Low around 58. South southwest wind 3 to 6 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers

  • Thursday

    Thursday: A 40 percent chance of rain, mainly before 11am.  Mostly cloudy, with a high near 73.

    High: 73 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. West wind around 6 mph becoming calm.
Tuesday
Partly sunny, with a high near 76. Light and variable wind becoming southwest around 6 mph in the morning.
Tuesday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 60. Light south wind.
Wednesday
Rain likely, then showers and possibly a thunderstorm after 5pm. High near 70. South southwest wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then rain, mainly after 8pm. Low around 58. South southwest wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 40 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 73.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 56.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 86.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Newcastle WA
 47.48°N 122.12°W (Elev. 499 ft)
8:01 pm PDT Aug 4, 2025
9pm PDT Aug 4, 2025-6pm PDT Aug 11, 2025
 
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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