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

44°F

7°C

Humidity 88%
Wind Speed N 0 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 18 Nov 03:09 AM PST
Extended Forecast for

3 Miles E Newcastle WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 40. South wind around 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 45. Light and variable wind.

    High: 45 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. Light northeast wind.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 51. East wind 3 to 5 mph.

    High: 51 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 41. East southeast wind around 10 mph.

    Low: 41 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 10am. Mostly sunny, with a high near 52.

    High: 52 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Rain

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. South wind around 6 mph.
Tuesday
A 30 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 45. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 36. Light northeast wind.
Wednesday
Mostly sunny, with a high near 51. East wind 3 to 5 mph.
Wednesday Night
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 41. East southeast wind around 10 mph.
Thursday
A 30 percent chance of rain, mainly before 10am. Mostly sunny, with a high near 52.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 41.
Friday
A chance of rain. Mostly cloudy, with a high near 50.
Friday Night
A chance of rain. Mostly cloudy, with a low around 44.
Saturday
Rain likely. Mostly cloudy, with a high near 50.
Saturday Night
Rain likely. Mostly cloudy, with a low around 43.
Sunday
Rain likely. Mostly cloudy, with a high near 49.
Sunday Night
Rain likely. Mostly cloudy, with a low around 41.
Monday
Rain likely. Mostly cloudy, with a high near 46.
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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 am PST Nov 18, 2025
Forecast Valid:
3am PST Nov 18, 2025-6pm PST Nov 24, 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