Current conditions at
Renton Municipal Airport (KRNT)
Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.
Clear
38°F
3°C
| Humidity | 92% |
| Wind Speed | NNE 3 MPH |
| Barometer | 30.57 in (1035.22 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 29 Dec 12:53 AM PST |
Extended Forecast for
Newcastle WA
Overnight
Low: 34 °F
Mostly Cloudy
Monday
High: 45 °F
Partly Sunny
Monday Night
Low: 34 °F
Mostly Cloudy
Tuesday
High: 46 °F
Partly Sunny
Tuesday Night
Low: 35 °F
Mostly Cloudy
Wednesday
High: 46 °F
Partly Sunny
Wednesday Night
Low: 37 °F
Mostly Cloudy
New Year's Day
High: 47 °F
Slight Chance
RainThursday Night
Low: 40 °F
Chance Rain
Detailed Forecast
Overnight
Mostly cloudy, with a low around 34. Light east northeast wind.
Monday
Partly sunny, with a high near 45. Light north northeast wind.
Monday Night
Mostly cloudy, with a low around 34. East northeast wind 3 to 5 mph.
Tuesday
Partly sunny, with a high near 46. East wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly cloudy, with a low around 35. Southeast wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 37.
New Year's Day
A slight chance of rain after 10am. Mostly cloudy, with a high near 47.
Thursday Night
A chance of rain. Cloudy, with a low around 40.
Friday
A chance of rain. Mostly cloudy, with a high near 47.
Friday Night
A chance of rain. Mostly cloudy, with a low around 39.
Saturday
A chance of rain. Mostly cloudy, with a high near 46.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 37.
Sunday
A chance of rain and snow. Partly sunny, with a high near 46.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Newcastle WA
47.55°N 122.14°W (Elev. 538 ft)
47.55°N 122.14°W (Elev. 538 ft)
7:01 pm PST Dec 28, 2025
1am PST Dec 29, 2025-6pm PST Jan 4, 2026
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