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Hazardous Weather Conditions

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

54°F

12°C

Humidity 76%
Wind Speed S 12 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 05 Dec 09:35 PM PST
Extended Forecast for

Newcastle WA

Flood Watch December 8, 04:00am until December 12, 04:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Rain. Low around 45. Southwest wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Rain

  • Saturday

    Saturday: Rain. High near 49. South southwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 44. South wind 8 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain

  • Sunday

    Sunday: Rain. High near 50. South wind around 9 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 47. South wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Rain

  • Monday

    Monday: Rain. High near 54. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 54 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 47. Chance of precipitation is 100%.

    Low: 47 °F

    Rain

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 51.

    High: 51 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 45.

    Low: 45 °F

    Rain

Detailed Forecast

Tonight
Rain. Low around 45. Southwest wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 49. South southwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 44. South wind 8 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 50. South wind around 9 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Low around 47. South wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. High near 54. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Rain. Low around 47. Chance of precipitation is 100%.
Tuesday
Rain. Cloudy, with a high near 51.
Tuesday Night
Rain. Cloudy, with a low around 45.
Wednesday
Rain. Cloudy, with a high near 53.
Wednesday Night
Rain. Cloudy, with a low around 45.
Thursday
Rain. Cloudy, with a high near 50.
Thursday Night
Rain likely. Cloudy, with a low around 45.
Friday
Rain likely. Mostly cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
Last Update:
7:01 pm PST Dec 5, 2025
Forecast Valid:
9pm PST Dec 5, 2025-6pm PST Dec 12, 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