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 86%
Wind Speed N 0 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 39°F (4°C)
Visibility 9.00 mi
Last update 01 Jan 04:35 PM PST
Extended Forecast for

3 Miles NNE Newcastle WA

  • New Year's Day

    New Year's Day: A 40 percent chance of rain. Cloudy, with a high near 46. Calm wind.

    High: 46 °F

    Chance Rain

  • Tonight

    Tonight: Rain. Low around 39. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Friday

    Friday: Rain likely, mainly after 4pm. Cloudy, with a high near 50. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain, mainly after 4am. Low around 44. Light east wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain

  • Saturday

    Saturday: Rain. High near 53. South southeast wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 44. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain

  • Sunday

    Sunday: Rain. High near 50. Chance of precipitation is 80%.

    High: 50 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain Likely

  • Monday

    Monday: A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

Detailed Forecast

New Year's Day
A 40 percent chance of rain. Cloudy, with a high near 46. Calm wind.
Tonight
Rain. Low around 39. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain likely, mainly after 4pm. Cloudy, with a high near 50. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain, mainly after 4am. Low around 44. Light east wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 53. South southeast wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 44. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 50. Chance of precipitation is 80%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 41.
Monday
A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 48.
Monday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 38.
Tuesday
Rain likely. Mostly cloudy, with a high near 46.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 38.
Wednesday
Rain likely. Mostly cloudy, with a high near 46.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 35.
Thursday
A chance of rain and snow. Partly sunny, with a high near 44.
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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 Jan 1, 2026
Forecast Valid:
4pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation