Current conditions at
Renton Municipal Airport (KRNT)
Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.
Clear
45°F
7°C
| Humidity | 93% |
| Wind Speed | N 0 MPH |
| Barometer | 30.28 in (1025.4 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 28 Nov 07:00 PM PST |
Extended Forecast for
Newcastle WA
Tonight
Low: 39 °F
Mostly Cloudy
Saturday
High: 47 °F
Mostly Cloudy
Saturday Night
Low: 33 °F
Partly Cloudy
Sunday
High: 45 °F
Mostly Sunny
Sunday Night
Low: 34 °F
Mostly Cloudy
Monday
High: 44 °F
Chance Rain
Monday Night
Low: 39 °F
Rain Likely
Tuesday
High: 46 °F
Chance Rain
then Mostly
CloudyTuesday Night
Low: 36 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 39. East wind 3 to 6 mph.
Saturday
Mostly cloudy, with a high near 47. East wind 3 to 5 mph.
Saturday Night
Partly cloudy, with a low around 33. East northeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 45. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 34. Calm wind.
Monday
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 44.
Monday Night
Rain likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Tuesday
A chance of rain before 10am. Mostly cloudy, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Thursday
A chance of rain. Mostly cloudy, with a high near 47.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 42.
Friday
Rain likely. Mostly cloudy, with a high near 50.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT 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 pm PST Nov 28, 2025
7pm PST Nov 28, 2025-6pm PST Dec 5, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
