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

61°F

16°C

Humidity 77%
Wind Speed NNW 8 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 04 Oct 12:15 PM PDT
Extended Forecast for

3 Miles ESE Newcastle WA

  • This Afternoon

    This Afternoon: A 50 percent chance of showers, mainly before 5pm. Partly sunny, with a high near 60. Calm wind becoming north northwest around 5 mph.

    High: 60 °F

    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers between 9pm and 11pm. Partly cloudy, with a low around 46. North wind 3 to 6 mph.

    Low: 46 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 62. North wind around 7 mph.

    High: 62 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45. North wind 5 to 7 mph becoming east northeast after midnight.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 67. East northeast wind around 5 mph becoming light and variable.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of rain, mainly after 11am. Mostly sunny, with a high near 64.

    High: 64 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 50 percent chance of showers, mainly before 5pm. Partly sunny, with a high near 60. Calm wind becoming north northwest around 5 mph.
Tonight
A 20 percent chance of showers between 9pm and 11pm. Partly cloudy, with a low around 46. North wind 3 to 6 mph.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 62. North wind around 7 mph.
Sunday Night
Clear, with a low around 45. North wind 5 to 7 mph becoming east northeast after midnight.
Monday
Sunny, with a high near 67. East northeast wind around 5 mph becoming light and variable.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
A chance of rain, mainly after 11am. Mostly sunny, with a high near 64.
Wednesday Night
A chance of rain, mainly before 11pm. Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 49.
Friday
A slight chance of rain. Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
Last Update:
8:00 am PDT Oct 4, 2025
Forecast Valid:
12pm PDT Oct 4, 2025-6pm PDT Oct 10, 2025
 
Forecast Discussion
 
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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