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

45°F

7°C

Humidity 87%
Wind Speed SSE 3 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 25 Nov 04:35 PM PST
Extended Forecast for

3 Miles NNE Newcastle WA

  • This Afternoon

    This Afternoon: Rain. High near 45. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain

  • Tonight

    Tonight: Rain before 2am, then a chance of rain after 4am. Steady temperature around 44. Light and variable wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: A slight chance of rain before 10am, then a chance of rain after 2pm. Patchy fog between 11am and 2pm. Otherwise, cloudy, with a high near 51. Calm wind. Chance of precipitation is 30%.

    High: 51 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Rain, mainly after 10pm. Patchy fog before 1am. Low around 45. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain and
    Patchy Fog

  • Thanksgiving Day

    Thanksgiving Day: Rain. High near 50. East southeast wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Thursday Night

    Thursday Night: Rain, mainly before 10pm. Low around 41. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain then
    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain before 10am. Partly sunny, with a high near 51.

    High: 51 °F

    Chance Rain
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A slight chance of rain after 10pm. Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Saturday

    Saturday: A slight chance of rain before 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 48.

    High: 48 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Mostly
    Cloudy

Detailed Forecast

This Afternoon
Rain. High near 45. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain before 2am, then a chance of rain after 4am. Steady temperature around 44. Light and variable wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A slight chance of rain before 10am, then a chance of rain after 2pm. Patchy fog between 11am and 2pm. Otherwise, cloudy, with a high near 51. Calm wind. Chance of precipitation is 30%.
Wednesday Night
Rain, mainly after 10pm. Patchy fog before 1am. Low around 45. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thanksgiving Day
Rain. High near 50. East southeast wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain, mainly before 10pm. Low around 41. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 30 percent chance of rain before 10am. Partly sunny, with a high near 51.
Friday Night
A slight chance of rain after 10pm. Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38.
Saturday
A slight chance of rain before 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 48.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 37.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 49.
Monday Night
A chance of rain. Mostly cloudy, with a low around 41.
Tuesday
A chance of rain. Mostly cloudy, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Newcastle WA
 47.59°N 122.12°W (Elev. 256 ft)
Last Update:
1:25 pm PST Nov 25, 2025
Forecast Valid:
4pm PST Nov 25, 2025-6pm PST Dec 2, 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