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 5 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 09 Oct 05:35 AM PDT
Extended Forecast for

3 Miles NE Newcastle WA

  • Overnight

    Overnight: A 20 percent chance of rain. Mostly cloudy, with a low around 53. South wind around 6 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Slight Chance
    Rain

  • Friday

    Friday: Rain. High near 62. South southwest wind 5 to 8 mph becoming calm in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before midnight, then a slight chance of rain after 2am. Cloudy, then gradually becoming partly cloudy, with a low around 45. Light and variable wind. Chance of precipitation is 40%.

    Low: 45 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. North wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °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 65.

    High: 65 °F

    Sunny

  • Monday Night

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

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a low around 53. South wind around 6 mph, with gusts as high as 20 mph.
Friday
Rain. High near 62. South southwest wind 5 to 8 mph becoming calm in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain before midnight, then a slight chance of rain after 2am. Cloudy, then gradually becoming partly cloudy, with a low around 45. Light and variable wind. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 60. Light and variable wind.
Saturday Night
Mostly clear, with a low around 41. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 63.
Sunday Night
Clear, with a low around 40.
Columbus Day
Sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A chance of rain. Mostly cloudy, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Newcastle WA
 47.58°N 122.09°W (Elev. 200 ft)
Last Update:
11:26 pm PDT Oct 8, 2026
Forecast Valid:
5am PDT Oct 9, 2026-6pm PDT Oct 15, 2026
 
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