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 93%
Wind Speed N 0 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 02 Jan 10:35 AM PST
Extended Forecast for

2 Miles E Newcastle WA

  • Today

    Today: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 47. South wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain
    then Rain
    Likely

  • Tonight

    Tonight: Rain, mainly after 4am. Steady temperature around 46. Southeast wind 7 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain

  • Saturday

    Saturday: Rain. High near 50. Southeast wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 42. Southeast wind 13 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain

  • Sunday

    Sunday: Rain. High near 45. Breezy, with a south wind 19 to 24 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain Likely

  • Monday

    Monday: A 40 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 42.

    High: 42 °F

    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of rain and snow before 10am, then rain likely between 10am and 4pm, then rain likely, possibly mixed with snow after 4pm. Cloudy, with a high near 42.

    High: 42 °F

    Rain/Snow
    Likely

Detailed Forecast

Today
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 47. South wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly after 4am. Steady temperature around 46. Southeast wind 7 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 50. Southeast wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 42. Southeast wind 13 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 45. Breezy, with a south wind 19 to 24 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 40 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 42.
Monday Night
A slight chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 36.
Tuesday
A chance of rain and snow before 10am, then rain likely between 10am and 4pm, then rain likely, possibly mixed with snow after 4pm. Cloudy, with a high near 42.
Tuesday Night
Rain likely, possibly mixed with snow before 10pm, then rain likely between 10pm and 4am, then rain likely, possibly mixed with snow after 4am. Mostly cloudy, with a low around 37.
Wednesday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 41.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 34.
Thursday
A chance of rain and snow. Partly sunny, with a high near 41.
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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 2, 2026
Forecast Valid:
10am PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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