Current conditions at
Renton Municipal Airport (KRNT)
Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.
Clear
35°F
2°C
| Humidity | 88% |
| Wind Speed | N 0 MPH |
| Barometer | 30.64 in (1037.59 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Last update | 28 Dec 09:53 AM PST |
Extended Forecast for
Newcastle WA
Today
High: 40 °F
Partly Sunny
Tonight
Low: 34 °F
Mostly Cloudy
Monday
High: 44 °F
Partly Sunny
Monday Night
Low: 35 °F
Mostly Cloudy
Tuesday
High: 46 °F
Mostly Cloudy
Tuesday Night
Low: 35 °F
Mostly Cloudy
Wednesday
High: 47 °F
Mostly Cloudy
Wednesday Night
Low: 39 °F
Slight Chance
RainNew Year's Day
High: 49 °F
Chance Rain
Detailed Forecast
Today
Partly sunny, with a high near 40. Calm wind.
Tonight
Mostly cloudy, with a low around 34. Light east wind.
Monday
Partly sunny, with a high near 44. Light north northeast wind.
Monday Night
Mostly cloudy, with a low around 35. Light east wind.
Tuesday
Mostly cloudy, with a high near 46. East wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 39.
New Year's Day
A chance of rain, mainly after 10am. Cloudy, with a high near 49.
Thursday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 40.
Friday
Rain likely. Mostly cloudy, with a high near 46.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 37.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 44.
Additional Forecasts and Information
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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 am PST Dec 28, 2025
10am PST Dec 28, 2025-6pm PST Jan 3, 2026
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