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

55°F

13°C

Humidity 62%
Wind Speed S 4 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Nov 01:15 PM PST
Extended Forecast for

3 Miles E Newcastle WA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 49. Light southwest wind.

    High: 49 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. South southeast wind 5 to 7 mph.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after noon. Partly sunny, with a high near 49. South wind around 6 mph.

    High: 49 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 46. South southeast wind 7 to 9 mph.

    Low: 46 °F

    Chance Rain

  • Saturday

    Saturday: A 30 percent chance of rain. Mostly cloudy, with a high near 52. South wind 6 to 8 mph.

    High: 52 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain, mainly after 10pm. Low around 45. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain

  • Sunday

    Sunday: Rain. High near 48. Chance of precipitation is 90%.

    High: 48 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely before 8pm, then showers likely after 8pm. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain Likely

  • Monday

    Monday: Showers likely, mainly before 10am. Partly sunny, with a high near 45.

    High: 45 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 49. Light southwest wind.
Tonight
Partly cloudy, with a low around 39. South southeast wind 5 to 7 mph.
Friday
A 20 percent chance of rain after noon. Partly sunny, with a high near 49. South wind around 6 mph.
Friday Night
A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 46. South southeast wind 7 to 9 mph.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 52. South wind 6 to 8 mph.
Saturday Night
Rain, mainly after 10pm. Low around 45. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 48. Chance of precipitation is 90%.
Sunday Night
Rain likely before 8pm, then showers likely after 8pm. Mostly cloudy, with a low around 39.
Monday
Showers likely, mainly before 10am. Partly sunny, with a high near 45.
Monday Night
A slight chance of showers before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain. Mostly cloudy, with a high near 44.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 39.
Wednesday
Rain likely. Cloudy, with a high near 45.
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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:
1:25 pm PST Nov 20, 2025
Forecast Valid:
1pm PST Nov 20, 2025-6pm PST Nov 26, 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