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

45°F

7°C

Humidity 100%
Wind Speed S 4 MPH
Barometer 29.59 in (1002.03 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 04 Jan 06:15 PM PST
Extended Forecast for

2 Miles E Newcastle WA

  • Tonight

    Tonight: Rain, mainly before 4am. Low around 37. South wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain

  • Monday

    Monday: A 30 percent chance of rain, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 41. South southwest wind 3 to 5 mph.

    High: 41 °F

    Chance Rain
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Rain, mainly after 4am. Low around 36. South wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance Rain
    then Rain

  • Tuesday

    Tuesday: Rain. High near 41. South wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 41 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 36. South southwest wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain then
    Rain Likely

  • Wednesday

    Wednesday: Rain. High near 41. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 41 °F

    Rain

  • Wednesday Night

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

    Low: 35 °F

    Rain/Snow

  • Thursday

    Thursday: Rain and snow, becoming all rain after 1pm. Cloudy, with a high near 42.

    High: 42 °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

Tonight
Rain, mainly before 4am. Low around 37. South wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 30 percent chance of rain, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 41. South southwest wind 3 to 5 mph.
Monday Night
Rain, mainly after 4am. Low around 36. South wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 41. South wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 36. South southwest wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. High near 41. 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. Low around 35. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain and snow, becoming all rain after 1pm. Cloudy, with a high near 42.
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 40.
Sunday
A chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Newcastle WA
 47.55°N 122.11°W (Elev. 794 ft)
Last Update:
1:25 pm PST Jan 4, 2026
Forecast Valid:
6pm PST Jan 4, 2026-6pm PST Jan 11, 2026
 
Forecast Discussion
 
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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