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

50°F

10°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 09 Dec 04:30 PM PST
Extended Forecast for

Newcastle WA

Flood Watch December 9, 04:58pm until December 12, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 9, 04:58pm until December 12, 04:00pm

    NOW until 4:00pm Fri

    Flood Watch

  • This Afternoon

    High: 50 °F

    Rain

  • Tonight

    Tonight: Rain. Temperature rising to around 54 by 3am. South southwest wind 10 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F⇑

    Rain

  • Wednesday

    Wednesday: Rain. High near 55. Southwest wind 16 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 55 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 48. South southwest wind 13 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain

  • Thursday

    Thursday: Rain. High near 52. South wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm. Cloudy, with a low around 46. Chance of precipitation is 70%. 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 chance of rain, mainly before 4am. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

Detailed Forecast

This Afternoon
Rain. High near 50. East southeast wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Temperature rising to around 54 by 3am. South southwest wind 10 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 55. Southwest wind 16 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain. Low around 48. South southwest wind 13 to 20 mph, with gusts as high as 32 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 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 46. Chance of precipitation is 70%. 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 chance of rain, mainly before 4am. Mostly cloudy, with a low around 46.
Saturday
A chance of rain, mainly after 10am. Mostly cloudy, with a high near 53.
Saturday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 46.
Sunday
Rain likely. Mostly cloudy, with a high near 51.
Sunday Night
Rain. Mostly cloudy, with a low around 46.
Monday
Rain. Cloudy, with a high near 53.
Monday Night
Rain. Cloudy, with a low around 45.
Tuesday
Rain. Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
Last Update:
1:26 pm PST Dec 9, 2025
Forecast Valid:
4pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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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