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 100%
Wind Speed N 0 MPH
Barometer 29.68 in (1005.08 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 05 Jan 12:15 AM PST
Extended Forecast for

2 Miles ESE Newcastle WA

  • Overnight

    Overnight: Rain and snow, becoming all rain after 1am. Steady temperature around 39. South southwest wind around 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain/Snow

  • Monday

    Monday: A 30 percent chance of rain, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 40. South southwest wind 3 to 6 mph.

    High: 40 °F

    Chance Rain
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Rain, mainly after 4am. Low around 35. South wind 7 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance Rain
    then Rain

  • Tuesday

    Tuesday: Rain and snow, becoming all rain after 10am. High near 40. South southwest wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow
    then Rain

  • Tuesday Night

    Tuesday Night: Rain before 10pm, then rain and snow likely. Low around 36. South southwest wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Rain. High near 40. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain before 10pm, then rain and snow between 10pm and 4am, then snow after 4am. Low around 35. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow

  • Thursday

    Thursday: Snow before 10am, then rain and snow. Cloudy, with a high near 41.

    High: 41 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Rain and snow, becoming all rain after 1am. Steady temperature around 39. South southwest wind around 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday
A 30 percent chance of rain, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 40. South southwest wind 3 to 6 mph.
Monday Night
Rain, mainly after 4am. Low around 35. South wind 7 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain and snow, becoming all rain after 10am. High near 40. South southwest wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Rain before 10pm, then rain and snow likely. Low around 36. South southwest wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Rain. High near 40. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain before 10pm, then rain and snow between 10pm and 4am, then snow after 4am. Low around 35. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Snow before 10am, then rain and snow. Cloudy, with a high near 41.
Thursday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 38.
Friday
A chance of rain and snow before 10am, then a chance of rain. Mostly cloudy, with a high near 46.
Friday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 38.
Saturday
A slight chance of rain. Mostly cloudy, with a high near 48.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 39.
Sunday
A chance of rain. Mostly cloudy, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
Last Update:
7:01 pm PST Jan 4, 2026
Forecast Valid:
12am PST Jan 5, 2026-6pm PST Jan 11, 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