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.

Fog

36°F

2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 36°F (2°C)
Visibility 0.25 mi
Last update 31 Dec 10:00 PM PST
Extended Forecast for

3 Miles ESE Newcastle WA

  • Tonight

    Tonight: Patchy dense fog. Otherwise, mostly cloudy, with a low around 35. South southeast wind around 5 mph.

    Low: 35 °F

    Patchy Dense
    Fog

  • New Year's Day

    New Year's Day: A 30 percent chance of rain, mainly after noon. Patchy dense fog before 10am. Otherwise, cloudy, with a high near 43. South wind around 5 mph becoming calm in the morning.

    High: 43 °F

    Chance Rain
    and Patchy
    Dense Fog

  • Thursday Night

    Thursday Night: Rain, mainly after 10pm. Low around 39. East southeast wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Friday

    Friday: Rain. High near 47. South southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain

  • Friday Night

    Friday Night: Rain likely. Cloudy, with a low around 43. East wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain Likely

  • Saturday

    Saturday: Rain. High near 49. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Rain

  • Sunday

    Sunday: Rain likely. Mostly cloudy, with a high near 46.

    High: 46 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain Likely

Detailed Forecast

Tonight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 35. South southeast wind around 5 mph.
New Year's Day
A 30 percent chance of rain, mainly after noon. Patchy dense fog before 10am. Otherwise, cloudy, with a high near 43. South wind around 5 mph becoming calm in the morning.
Thursday Night
Rain, mainly after 10pm. Low around 39. East southeast wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 47. South southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely. Cloudy, with a low around 43. East wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 49. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 41. Chance of precipitation is 80%.
Sunday
Rain likely. Mostly cloudy, with a high near 46.
Sunday Night
Rain likely. Mostly cloudy, with a low around 40.
Monday
A chance of rain. Mostly cloudy, with a high near 45.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 38.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 43.
Tuesday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 38.
Wednesday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
Last Update:
7:01 pm PST Dec 31, 2025
Forecast Valid:
10pm PST Dec 31, 2025-6pm PST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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