Current conditions at

Renton Municipal Airport (KRNT)

Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.

Clear

40°F

4°C

Humidity 79%
Wind Speed N 4 MPH
Barometer 30.54 in (1034.2 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 29 Dec 11:53 AM PST
Extended Forecast for

3 Miles SE Newcastle WA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 43. Calm wind.

    High: 43 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Light northeast wind.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47. East wind around 5 mph becoming calm  in the morning.

    High: 47 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. Light east southeast wind.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48. Light and variable wind.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 36 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

  • Thursday Night

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

    Low: 41 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly before 4pm.  Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 43. Calm wind.
Tonight
Mostly cloudy, with a low around 36. Light northeast wind.
Tuesday
Partly sunny, with a high near 47. East wind around 5 mph becoming calm in the morning.
Tuesday Night
Partly cloudy, with a low around 37. Light east southeast wind.
Wednesday
Mostly sunny, with a high near 48. Light and variable wind.
Wednesday Night
Mostly cloudy, with a low around 36.
New Year's Day
Mostly cloudy, with a high near 47.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 41.
Friday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 49.
Friday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 39.
Saturday
A chance of rain. Mostly cloudy, with a high near 47.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 38.
Sunday
A chance of rain. Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Newcastle WA
 47.51°N 122.1°W (Elev. 1201 ft)
7:01 am PST Dec 29, 2025
12pm PST Dec 29, 2025-6pm PST Jan 4, 2026
 
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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