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

46°F

8°C

Humidity 81%
Wind Speed NNE 3 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 02 Dec 06:20 PM PST
Extended Forecast for

3 Miles NE Newcastle WA

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of rain between 9am and 10am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 47. Calm wind. Chance of precipitation is 20%.

    High: 47 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 10pm. Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Rain. Patchy fog before 7am. High near 49. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain. Low around 45. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Rain

  • Friday

    Friday: Rain. High near 55. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Rain

  • Saturday

    Saturday: Rain. Mostly cloudy, with a high near 54.

    High: 54 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Rain Likely

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 36. Calm wind.
Wednesday
A slight chance of rain between 9am and 10am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 47. Calm wind. Chance of precipitation is 20%.
Wednesday Night
A 30 percent chance of rain after 10pm. Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 40. Calm wind.
Thursday
Rain. Patchy fog before 7am. High near 49. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 45. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 55. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain. Low around 47. Chance of precipitation is 80%.
Saturday
Rain. Mostly cloudy, with a high near 54.
Saturday Night
Rain likely. Mostly cloudy, with a low around 46.
Sunday
Rain. Cloudy, with a high near 55.
Sunday Night
Rain likely. Mostly cloudy, with a low around 46.
Monday
Rain likely. Mostly cloudy, with a high near 56.
Monday Night
Rain. Cloudy, with a low around 48.
Tuesday
Rain. Cloudy, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Newcastle WA
 47.58°N 122.09°W (Elev. 200 ft)
Last Update:
2:10 pm PST Dec 2, 2025
Forecast Valid:
6pm PST Dec 2, 2025-6pm PST Dec 9, 2025
 
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