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

48°F

9°C

Humidity 89%
Wind Speed SSE 3 MPH
Barometer 29.47 in (997.97 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 04 Jan 08:22 AM PST
Extended Forecast for

2 Miles ENE Newcastle WA

  • Today

    Today: Rain. Patchy fog between 9am and 11am. High near 46. Breezy, with a south southwest wind 21 to 26 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Chance Rain
    and Patchy
    Fog then Rain

  • Tonight

    Tonight: Rain, mainly before 3am. Low around 37. South southwest wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain

  • Monday

    Monday: A 40 percent chance of rain before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 41. South southwest wind around 6 mph.

    High: 41 °F

    Chance Rain
    then Partly
    Sunny

  • Monday Night

    Monday Night: Rain, mainly after 4am. Low around 35. South wind 6 to 9 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. High near 41. South wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 41 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 36. 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 80%.

    High: 41 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain before 1am, then rain and snow. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Rain then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow likely, becoming all rain after 1pm. Mostly cloudy, with a high near 41.

    High: 41 °F

    Rain/Snow
    Likely

Detailed Forecast

Today
Rain. Patchy fog between 9am and 11am. High near 46. Breezy, with a south southwest wind 21 to 26 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly before 3am. Low around 37. South southwest wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 40 percent chance of rain before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 41. South southwest wind around 6 mph.
Monday Night
Rain, mainly after 4am. Low around 35. South wind 6 to 9 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 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 36. 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 80%.
Wednesday Night
Rain before 1am, then rain and snow. Mostly cloudy, with a low around 35.
Thursday
Rain and snow likely, becoming all rain after 1pm. Mostly cloudy, with a high near 41.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 37.
Friday
A slight chance of rain. Partly sunny, with a high near 45.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
A slight chance of rain. Mostly cloudy, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Newcastle WA
 47.55°N 122.11°W (Elev. 794 ft)
Last Update:
7:00 am PST Jan 4, 2026
Forecast Valid:
8am PST Jan 4, 2026-6pm PST Jan 10, 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