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

43°F

6°C

Humidity 60%
Wind Speed N 0 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 27 Dec 03:00 PM PST
Extended Forecast for

3 Miles ENE Newcastle WA

  • Tonight

    Tonight: Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 10am. Otherwise, increasing clouds, with a high near 44. Calm wind.

    High: 44 °F

    Areas Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 48. Calm wind.

    High: 48 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 10pm. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 33. Calm wind.
Sunday
Areas of fog before 10am. Otherwise, increasing clouds, with a high near 44. Calm wind.
Sunday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Monday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 48. Calm wind.
Monday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 51.
Wednesday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 39.
New Year's Day
A chance of rain. Mostly cloudy, with a high near 51.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40.
Friday
Rain likely. Mostly cloudy, with a high near 49.
Friday Night
Rain likely. Mostly cloudy, with a low around 38.
Saturday
A chance of rain. Mostly cloudy, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Newcastle WA
 47.58°N 122.09°W (Elev. 200 ft)
Last Update:
1:25 pm PST Dec 27, 2025
Forecast Valid:
3pm PST Dec 27, 2025-6pm PST Jan 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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