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

48°F

9°C

Humidity 76%
Wind Speed SSE 5 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 21 Nov 10:53 AM PST
Extended Forecast for

3 Miles ENE Newcastle WA

  • Today

    Today: A 10 percent chance of rain after 4pm. Mostly cloudy, with a high near 55. Calm wind.

    High: 55 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A slight chance of rain before 7pm, then a slight chance of rain after midnight. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain. Mostly cloudy, with a high near 57. Calm wind.

    High: 57 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Cloudy, with a low around 48. Light south wind.

    Low: 48 °F

    Chance Rain

  • Sunday

    Sunday: Rain. High near 53. South southwest wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 40. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 10am. Partly sunny, with a high near 50. Chance of precipitation is 60%.

    High: 50 °F

    Rain Likely

  • Monday Night

    Monday Night: A slight chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain, mainly after 10am. Mostly cloudy, with a high near 49.

    High: 49 °F

    Chance Rain

Detailed Forecast

Today
A 10 percent chance of rain after 4pm. Mostly cloudy, with a high near 55. Calm wind.
Tonight
A slight chance of rain before 7pm, then a slight chance of rain after midnight. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 20%.
Saturday
A 20 percent chance of rain. Mostly cloudy, with a high near 57. Calm wind.
Saturday Night
A 50 percent chance of rain. Cloudy, with a low around 48. Light south wind.
Sunday
Rain. High near 53. South southwest wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 40. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain likely, mainly before 10am. Partly sunny, with a high near 50. Chance of precipitation is 60%.
Monday Night
A slight chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain, mainly after 10am. Mostly cloudy, with a high near 49.
Tuesday Night
A chance of rain before 10pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 41.
Wednesday
Rain likely. Cloudy, with a high near 50.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 44.
Thanksgiving Day
Rain likely. Mostly cloudy, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Newcastle WA
 47.58°N 122.09°W (Elev. 200 ft)
Last Update:
7:00 am PST Nov 21, 2025
Forecast Valid:
11am PST Nov 21, 2025-6pm PST Nov 27, 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