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.

Rain

46°F

8°C

Humidity 79%
Wind Speed N 0 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 40°F (4°C)
Visibility 8.00 mi
Last update 01 Dec 03:53 PM PST
Extended Forecast for

2 Miles E Newcastle WA

  • This Afternoon

    This Afternoon: A 30 percent chance of rain. Mostly cloudy, with a high near 42. Calm wind.

    High: 42 °F

    Chance Rain

  • Tonight

    Tonight: Rain likely, mainly between 10pm and 5am. Cloudy, with a low around 38. South wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 43. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Rain Likely
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 41. Calm wind.

    High: 41 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain, mainly after 10am. High near 44. Chance of precipitation is 80%.

    High: 44 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Cloudy, with a low around 42.

    Low: 42 °F

    Rain

  • Friday

    Friday: Rain. Cloudy, with a high near 50.

    High: 50 °F

    Rain

Detailed Forecast

This Afternoon
A 30 percent chance of rain. Mostly cloudy, with a high near 42. Calm wind.
Tonight
Rain likely, mainly between 10pm and 5am. Cloudy, with a low around 38. South wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 43. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 34. Calm wind.
Wednesday
Mostly cloudy, with a high near 41. Calm wind.
Wednesday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 36.
Thursday
Rain, mainly after 10am. High near 44. Chance of precipitation is 80%.
Thursday Night
Rain. Cloudy, with a low around 42.
Friday
Rain. Cloudy, with a high near 50.
Friday Night
Rain. Cloudy, with a low around 45.
Saturday
Rain. Mostly cloudy, with a high near 48.
Saturday Night
Rain. Mostly cloudy, with a low around 43.
Sunday
Rain. Cloudy, with a high near 48.
Sunday Night
Rain likely. Mostly cloudy, with a low around 44.
Monday
Rain. Cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
Last Update:
1:26 pm PST Dec 1, 2025
Forecast Valid:
4pm PST Dec 1, 2025-6pm PST Dec 8, 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