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 76%
Wind Speed NNW 6 MPH
Barometer 30.46 in (1031.49 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 29 Dec 05:53 PM PST
Extended Forecast for

2 Miles ENE Newcastle WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. Calm wind becoming east around 5 mph after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 46. East southeast wind around 5 mph becoming calm in the morning.

    High: 46 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. East southeast wind 3 to 5 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 46. Light east southeast wind.

    High: 46 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37. East southeast wind 3 to 5 mph.

    Low: 37 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Rain Likely

  • Friday

    Friday: Rain. Mostly cloudy, with a high near 48.

    High: 48 °F

    Rain

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. Calm wind becoming east around 5 mph after midnight.
Tuesday
Partly sunny, with a high near 46. East southeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Partly cloudy, with a low around 35. East southeast wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 46. Light east southeast wind.
Wednesday Night
Mostly cloudy, with a low around 37. East southeast wind 3 to 5 mph.
New Year's Day
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 46.
Thursday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Friday
Rain. Mostly cloudy, with a high near 48.
Friday Night
Rain likely. Mostly cloudy, with a low around 40.
Saturday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 45.
Saturday Night
Rain likely. Mostly cloudy, with a low around 38.
Sunday
Rain likely. Mostly cloudy, with a high near 45.
Sunday Night
Rain likely. Mostly cloudy, with a low around 39.
Monday
Rain likely. Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Newcastle WA
 47.55°N 122.11°W (Elev. 794 ft)
Last Update:
1:25 pm PST Dec 29, 2025
Forecast Valid:
6pm PST Dec 29, 2025-6pm PST Jan 5, 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