Tropical Storm Edouard Impacting the Northwestern Gulf Coast; Hazardous Heat expands in the East

Tropical Storm Edouard will impact the northwestern Gulf Coast through Wednesday with gusty winds, storm surge, and heavy rainfall. Flash and river flooding will be possible, especially in southeastern Texas. Hazardous heat will expand across the central and eastern U.S. by mid-week, and daily chances for severe thunderstorms are expected from the eastern Great Lakes to the Mid-Atlantic this week. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

66°F

19°C

Humidity 68%
Wind Speed SSW 6 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 01 Sep 03:00 PM PDT
Extended Forecast for

Newcastle WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. Southwest wind 6 to 8 mph becoming south southeast after midnight.

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain, mainly after 1pm.  High near 67. South wind 6 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Chance Rain
    then Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 52. South wind 6 to 8 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly after 11am.  Mostly cloudy, with a high near 65. Southeast wind around 6 mph becoming light and variable.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly before 11pm.  Mostly cloudy, with a low around 52. Light and variable wind.

    Low: 52 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain.  Partly sunny, with a high near 66.

    High: 66 °F

    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 11am.  Mostly sunny, with a high near 69.

    High: 69 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. Southwest wind 6 to 8 mph becoming south southeast after midnight.
Wednesday
Rain, mainly after 1pm. High near 67. South wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 52. South wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 65. Southeast wind around 6 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 52. Light and variable wind.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 66.
Friday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 51.
Saturday
A slight chance of rain after 11am. Mostly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
A chance of rain. Partly cloudy, with a low around 54.
Labor Day
A chance of rain. Partly sunny, with a high near 69.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 56.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.55°N 122.14°W (Elev. 538 ft)
12:40 pm PDT Sep 1, 2026
3pm PDT Sep 1, 2026-6pm PDT Sep 8, 2026
 
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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