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

46°F

8°C

Humidity 93%
Wind Speed N 4 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 28 Nov 08:20 PM PST
Extended Forecast for

3 Miles SE Newcastle WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. East southeast wind 3 to 6 mph.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 48. East southeast wind around 5 mph becoming calm in the morning.

    High: 48 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. Light east wind.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 46. Light and variable wind.

    High: 46 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Rain Likely

  • Tuesday

    Tuesday: A chance of rain before 10am. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. East southeast wind 3 to 6 mph.
Saturday
Mostly cloudy, with a high near 48. East southeast wind around 5 mph becoming calm in the morning.
Saturday Night
Partly cloudy, with a low around 33. Light east wind.
Sunday
Mostly sunny, with a high near 46. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 34. Calm wind.
Monday
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 45.
Monday Night
Rain likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Tuesday
A chance of rain before 10am. Mostly cloudy, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Thursday
A chance of rain. Mostly cloudy, with a high near 48.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 42.
Friday
Rain likely. Mostly cloudy, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Newcastle WA
 47.51°N 122.1°W (Elev. 1201 ft)
Last Update:
7:01 pm PST Nov 28, 2025
Forecast Valid:
8pm PST Nov 28, 2025-6pm PST Dec 5, 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