Hazardous Weather Conditions
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
Today

High: 49 °F
Rain
Tonight
Low: 44 °F
Rain Likely
then RainSunday

High: 51 °F
Rain
Sunday Night

Low: 47 °F
Rain
Monday

High: 54 °F
Rain
Monday Night

Low: 46 °F
Rain
Tuesday

High: 51 °F
Rain
Tuesday Night

Low: 46 °F
Rain
Wednesday

High: 52 °F
Rain
Detailed Forecast
Today
Rain. High near 49. Southwest wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Low around 44. South southeast wind 8 to 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 quarter and half of an inch possible.
Sunday Night
Rain. Low around 47. 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 10 to 13 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 45.
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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Newcastle WA
47.53°N 122.14°W (Elev. 873 ft)
47.53°N 122.14°W (Elev. 873 ft)
7:01 am PST Dec 6, 2025
7am PST Dec 6, 2025-6pm PST Dec 12, 2025



