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.

Clear

39°F

4°C

Humidity 93%
Wind Speed ESE 4 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 16 Oct 03:15 AM PDT
Extended Forecast for

3 Miles E Newcastle WA

  • Overnight

    Overnight: Clear, with a low around 42. South southeast wind around 6 mph.

    Low: 42 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 57. South southeast wind around 6 mph becoming light and variable in the afternoon.

    High: 57 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 48. South wind 5 to 10 mph.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 55. South southwest wind around 5 mph becoming calm in the morning.

    High: 55 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42. Calm wind becoming east southeast around 5 mph after midnight.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of rain after 11am. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain. Low around 48. Chance of precipitation is 100%.

    Low: 48 °F

    Rain

  • Sunday

    Sunday: Showers. Cloudy, with a high near 54.

    High: 54 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Showers

Detailed Forecast

Overnight
Clear, with a low around 42. South southeast wind around 6 mph.
Thursday
Increasing clouds, with a high near 57. South southeast wind around 6 mph becoming light and variable in the afternoon.
Thursday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 48. South wind 5 to 10 mph.
Friday
A 50 percent chance of showers, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 55. South southwest wind around 5 mph becoming calm in the morning.
Friday Night
Partly cloudy, with a low around 42. Calm wind becoming east southeast around 5 mph after midnight.
Saturday
A 40 percent chance of rain after 11am. Mostly cloudy, with a high near 53.
Saturday Night
Rain. Low around 48. Chance of precipitation is 100%.
Sunday
Showers. Cloudy, with a high near 54.
Sunday Night
Showers, mainly before 11pm. Mostly cloudy, with a low around 46.
Monday
A slight chance of showers before 11am. Partly sunny, with a high near 55.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 45.
Tuesday
A chance of rain. Mostly cloudy, with a high near 53.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Mostly cloudy, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
Last Update:
2:25 am PDT Oct 16, 2025
Forecast Valid:
3am PDT Oct 16, 2025-6pm PDT Oct 22, 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