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

59°F

15°C

Humidity 82%
Wind Speed S 8 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 09 Oct 05:55 AM PDT
Extended Forecast for

3 Miles ESE Newcastle WA

  • Today

    Today: Rain, mainly before 2pm. High near 56. South southwest wind 12 to 17 mph becoming light and variable in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain

  • Tonight

    Tonight: A chance of rain before 11pm, then a slight chance of rain after 2am. Cloudy, then gradually becoming partly cloudy, with a low around 46. Light and variable wind becoming south 5 to 9 mph in the evening. Chance of precipitation is 40%.

    Low: 46 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 54. South southeast wind around 5 mph becoming calm.

    High: 54 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42. North wind around 6 mph becoming light and variable.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57. Light and variable wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Today
Rain, mainly before 2pm. High near 56. South southwest wind 12 to 17 mph becoming light and variable in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A chance of rain before 11pm, then a slight chance of rain after 2am. Cloudy, then gradually becoming partly cloudy, with a low around 46. Light and variable wind becoming south 5 to 9 mph in the evening. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 54. South southeast wind around 5 mph becoming calm.
Saturday Night
Mostly clear, with a low around 42. North wind around 6 mph becoming light and variable.
Sunday
Sunny, with a high near 57. Light and variable wind becoming north northwest 5 to 7 mph in the afternoon.
Sunday Night
Clear, with a low around 40.
Columbus Day
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 49.
Wednesday
A chance of rain. Mostly cloudy, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
Last Update:
11:26 pm PDT Oct 8, 2026
Forecast Valid:
6am PDT Oct 9, 2026-6pm PDT Oct 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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