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

36°F

2°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.48 in (1032.17 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 27 Dec 08:55 PM PST
Extended Forecast for

2 Miles ENE Newcastle WA

  • Tonight

    Tonight: Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 31. Light south southeast wind.

    Low: 31 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog between 7am and 9am. Otherwise, increasing clouds, with a high near 39. Light and variable wind.

    High: 39 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

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

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 43. Light and variable wind.

    High: 43 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. East wind 3 to 5 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 10pm. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 31. Light south southeast wind.
Sunday
Patchy fog between 7am and 9am. Otherwise, increasing clouds, with a high near 39. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 32. Light east wind.
Monday
Mostly cloudy, with a high near 43. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 33. East wind 3 to 5 mph.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 37.
New Year's Day
A chance of rain. Mostly cloudy, with a high near 46.
Thursday Night
Rain likely. Mostly cloudy, with a low around 38.
Friday
Rain likely. Mostly cloudy, with a high near 45.
Friday Night
Rain likely. Mostly cloudy, with a low around 36.
Saturday
A chance of rain. Mostly cloudy, with a high near 43.
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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:
7:01 pm PST Dec 27, 2025
Forecast Valid:
9pm PST Dec 27, 2025-6pm PST Jan 3, 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