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

43°F

6°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 28 Nov 09:53 PM PST
Extended Forecast for

3 Miles E Newcastle WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. East southeast wind around 7 mph.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 46. East southeast wind around 6 mph becoming calm in the afternoon.

    High: 46 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. East wind around 5 mph.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 43. East wind around 5 mph becoming calm in the morning.

    High: 43 °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 42.

    High: 42 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely

  • Tuesday

    Tuesday: A chance of rain before 10am. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. East southeast wind around 7 mph.
Saturday
Mostly cloudy, with a high near 46. East southeast wind around 6 mph becoming calm in the afternoon.
Saturday Night
Partly cloudy, with a low around 33. East wind around 5 mph.
Sunday
Mostly sunny, with a high near 43. East wind around 5 mph becoming calm in the morning.
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 42.
Monday Night
Rain likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Tuesday
A chance of rain before 10am. Mostly cloudy, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 43.
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 45.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 41.
Friday
Rain likely. Mostly cloudy, with a high near 48.
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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:
7:01 pm PST Nov 28, 2025
Forecast Valid:
10pm 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