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 E Newcastle WA

  • Today

    Today: Rain. Patchy fog before 11am. High near 45. Breezy, with a south southwest wind 20 to 25 mph decreasing to 13 to 18 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: 45 °F

    Chance Rain
    and Patchy
    Fog then Rain

  • Tonight

    Tonight: Rain before 1am, then rain and snow likely. Low around 36. South southwest wind around 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain then
    Rain/Snow

  • Monday

    Monday: A chance of rain and snow before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 40. South southwest wind around 6 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 40 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

  • Monday Night

    Monday Night: Rain, possibly mixed with snow, mainly after 4am. Low around 36. South wind 6 to 10 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Tuesday

    Tuesday: Rain. High near 40. South southwest wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 40 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain before 10pm, then rain and snow likely. Low around 36. 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 80%.

    High: 40 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain before 10pm, then rain and snow likely. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Rain/Snow

  • Thursday

    Thursday: Snow likely before 1pm, then rain and snow likely. Mostly cloudy, with a high near 40.

    High: 40 °F

    Snow Likely
    then
    Rain/Snow
    Likely

Detailed Forecast

Today
Rain. Patchy fog before 11am. High near 45. Breezy, with a south southwest wind 20 to 25 mph decreasing to 13 to 18 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 before 1am, then rain and snow likely. Low around 36. South southwest wind around 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday
A chance of rain and snow before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 40. South southwest wind around 6 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday Night
Rain, possibly mixed with snow, mainly after 4am. Low around 36. South wind 6 to 10 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday
Rain. High near 40. South southwest wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain before 10pm, then rain and snow likely. Low around 36. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Rain. High near 40. Chance of precipitation is 80%.
Wednesday Night
Rain before 10pm, then rain and snow likely. Mostly cloudy, with a low around 34.
Thursday
Snow likely before 1pm, then rain and snow likely. Mostly cloudy, with a high near 40.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 37.
Friday
A slight chance of rain. Partly sunny, with a high near 44.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
A slight chance of rain. Mostly cloudy, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Newcastle WA
 47.53°N 122.11°W (Elev. 1237 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