National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Renton Municipal Airport (KRNT)

Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.

Rain

57°F

14°C

Humidity 87%
Wind Speed S 13 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 10 Dec 03:00 AM PST
Extended Forecast for

2 Miles N Newcastle WA

Flood Watch December 10, 03:21am until December 12, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 10, 03:21am until December 12, 04:00pm

    NOW until 4:00pm Fri

    Flood Watch

  • Overnight

    Low: 55 °F

    Rain

  • Wednesday

    Wednesday: Rain. Patchy fog after 7am. High near 56. South southwest wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 56 °F

    Rain and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain. Patchy fog between 9pm and 1am. Low around 48. South southwest wind 9 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain and
    Patchy Fog

  • Thursday

    Thursday: Rain. High near 52. South wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain Likely

  • Friday

    Friday: A 50 percent chance of rain. Cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain, mainly after 4pm. Partly sunny, with a high near 55.

    High: 55 °F

    Chance Rain

Detailed Forecast

Overnight
Rain. Steady temperature around 55. South southwest wind around 17 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. Patchy fog after 7am. High near 56. South southwest wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday Night
Rain. Patchy fog between 9pm and 1am. Low around 48. South southwest wind 9 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. High near 52. South wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 50 percent chance of rain. Cloudy, with a high near 53.
Friday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 47.
Saturday
A chance of rain, mainly after 4pm. Partly sunny, with a high near 55.
Saturday Night
Rain, mainly after 10pm. Mostly cloudy, with a low around 48.
Sunday
Rain. Mostly cloudy, with a high near 54.
Sunday Night
Rain likely. Mostly cloudy, with a low around 48.
Monday
Rain. Cloudy, with a high near 55.
Monday Night
Rain. Cloudy, with a low around 45.
Tuesday
Rain. Cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Newcastle WA
 47.57°N 122.15°W (Elev. 397 ft)
Last Update:
1:25 am PST Dec 10, 2025
Forecast Valid:
3am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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