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

34°F

1°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.52 in (1033.53 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 29 Dec 05:15 AM PST
Extended Forecast for

3 Miles E Newcastle WA

  • Today

    Today: Partly sunny, with a high near 41. East northeast wind around 5 mph becoming calm in the morning.

    High: 41 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. East northeast wind around 6 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 44. East wind around 6 mph becoming calm in the afternoon.

    High: 44 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. East southeast wind around 6 mph.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. East southeast wind around 5 mph becoming calm in the morning.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 35 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly before 4pm. Mostly cloudy, with a high near 46.

    High: 46 °F

    Rain Likely

Detailed Forecast

Today
Partly sunny, with a high near 41. East northeast wind around 5 mph becoming calm in the morning.
Tonight
Mostly cloudy, with a low around 35. East northeast wind around 6 mph.
Tuesday
Partly sunny, with a high near 44. East wind around 6 mph becoming calm in the afternoon.
Tuesday Night
Partly cloudy, with a low around 36. East southeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 45. East southeast wind around 5 mph becoming calm in the morning.
Wednesday Night
Mostly cloudy, with a low around 35.
New Year's Day
Mostly cloudy, with a high near 45.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 40.
Friday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 46.
Friday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 38.
Saturday
A chance of rain. Mostly cloudy, with a high near 44.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 37.
Sunday
A chance of rain. Mostly cloudy, with a high near 44.
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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:
3:05 am PST Dec 29, 2025
Forecast Valid:
5am PST Dec 29, 2025-6pm PST Jan 4, 2026
 
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