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

45°F

7°C

Humidity 81%
Wind Speed S 16 MPH
Barometer 29.62 in (1003.05 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 26 Dec 11:35 AM PST
Extended Forecast for

3 Miles SE Newcastle WA

  • Today

    Today: Rain before 1pm, then a chance of rain and snow. High near 43. South southwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow

  • Tonight

    Tonight: Rain likely before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 33. West southwest wind 6 to 11 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 39. Southwest wind around 6 mph becoming northwest in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. East southeast wind 3 to 5 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42. Light east southeast wind.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

Detailed Forecast

Today
Rain before 1pm, then a chance of rain and snow. High near 43. South southwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Rain likely before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 33. West southwest wind 6 to 11 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
Mostly sunny, with a high near 39. Southwest wind around 6 mph becoming northwest in the afternoon.
Saturday Night
Mostly cloudy, with a low around 32. East southeast wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 42. Light east southeast wind.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Mostly cloudy, with a high near 44.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Mostly cloudy, with a high near 46.
Tuesday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 37.
Wednesday
A chance of rain. Cloudy, with a high near 47.
Wednesday Night
A chance of rain. Cloudy, with a low around 39.
New Year's Day
Rain likely. Mostly cloudy, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Newcastle WA
 47.51°N 122.1°W (Elev. 1201 ft)
Last Update:
7:01 am PST Dec 26, 2025
Forecast Valid:
11am PST Dec 26, 2025-6pm PST Jan 1, 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