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

Renton Municipal Airport (KRNT)

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

Overcast

64°F

18°C

Humidity 77%
Wind Speed S 9 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 06 Sep 11:35 PM PDT
Extended Forecast for

3 Miles SE Newcastle WA

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 2am. Mostly cloudy, with a low around 59. South wind around 6 mph.

    Low: 59 °F

    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain, mainly between 11am and 2pm. Mostly cloudy, with a high near 72. South wind 3 to 5 mph.

    High: 72 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 56. Light south southwest wind.

    Low: 56 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 74. Calm wind.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 58. Light and variable wind.

    Low: 58 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely. Cloudy, with a high near 69. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, mainly after 11am. Mostly cloudy, with a high near 72.

    High: 72 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 11pm. Partly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly before 2am. Mostly cloudy, with a low around 59. South wind around 6 mph.
Sunday
A 40 percent chance of rain, mainly between 11am and 2pm. Mostly cloudy, with a high near 72. South wind 3 to 5 mph.
Sunday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 56. Light south southwest wind.
Monday
Partly sunny, with a high near 74. Calm wind.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 58. Light and variable wind.
Tuesday
Rain likely. Cloudy, with a high near 69. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 57.
Wednesday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 72.
Wednesday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 56.
Thursday
A slight chance of rain after 11am. Mostly sunny, with a high near 76.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 56.
Friday
A slight chance of rain. Partly sunny, with a high near 76.
Friday Night
A chance of rain. Mostly cloudy, with a low around 58.
Saturday
A chance of rain. Partly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Newcastle WA
 47.51°N 122.1°W (Elev. 1201 ft)
Last Update:
8:01 pm PDT Sep 6, 2025
Forecast Valid:
11pm PDT Sep 6, 2025-6pm PDT Sep 13, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation