Current conditions at

Renton Municipal Airport (KRNT)

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

Mostly Cloudy

51°F

11°C

Humidity 76%
Wind Speed S 18 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 06 Dec 06:53 AM 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
  • Today

    Today: Rain.  High near 50. Southwest wind 11 to 17 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.

    High: 50 °F

    Rain

  • Tonight

    Tonight: Rain.  Low around 44. South wind around 10 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain Likely
    then Rain

  • Sunday

    Sunday: Rain.  High near 51. South wind around 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Sunday Night

    Sunday Night: Rain.  Low around 48. South southwest wind around 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain

  • Monday

    Monday: Rain.  High near 54. South southwest wind 11 to 14 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 54 °F

    Rain

  • Monday Night

    Monday Night: Rain.  Low around 46. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 46 °F

    Rain

  • Tuesday

    Tuesday: Rain.  High near 51. Chance of precipitation is 80%.

    High: 51 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Cloudy, with a low around 46.

    Low: 46 °F

    Rain

  • Wednesday

    Wednesday: Rain.  Cloudy, with a high near 52.

    High: 52 °F

    Rain

Detailed Forecast

Today
Rain. High near 50. Southwest wind 11 to 17 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.
Tonight
Rain. Low around 44. South wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 51. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Low around 48. South southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. High near 54. South southwest wind 11 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Monday Night
Rain. Low around 46. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday
Rain. High near 51. Chance of precipitation is 80%.
Tuesday Night
Rain. Cloudy, with a low around 46.
Wednesday
Rain. Cloudy, with a high near 52.
Wednesday Night
Rain. Mostly cloudy, with a low around 46.
Thursday
Rain likely. Mostly cloudy, with a high near 50.
Thursday Night
Rain likely. Mostly cloudy, with a low around 46.
Friday
Rain likely. Mostly cloudy, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.55°N 122.14°W (Elev. 538 ft)
7:01 am PST Dec 6, 2025
7am PST Dec 6, 2025-6pm PST Dec 12, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database