Current conditions at
Renton Municipal Airport (KRNT)
Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.
Clear
43°F
6°C
| Humidity | 70% |
| Wind Speed | N 3 MPH |
| Barometer | 30.51 in (1033.19 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Last update | 29 Dec 01:30 PM PST |
Extended Forecast for
Newcastle WA
This Afternoon
High: 45 °F
Mostly Cloudy
Tonight
Low: 35 °F
Mostly Cloudy
Tuesday
High: 47 °F
Partly Sunny
Tuesday Night
Low: 35 °F
Partly Cloudy
Wednesday
High: 48 °F
Partly Sunny
Wednesday Night
Low: 38 °F
Mostly Cloudy
New Year's Day
High: 48 °F
Chance Rain
Thursday Night
Low: 42 °F
Rain Likely
Friday
High: 50 °F
Rain
Detailed Forecast
This Afternoon
Mostly cloudy, with a high near 45. Calm wind.
Tonight
Mostly cloudy, with a low around 35. Light east northeast wind.
Tuesday
Partly sunny, with a high near 47. Light southeast wind.
Tuesday Night
Partly cloudy, with a low around 35. Light southeast wind.
Wednesday
Partly sunny, with a high near 48. Light east southeast wind.
Wednesday Night
Mostly cloudy, with a low around 38.
New Year's Day
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 48.
Thursday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 42.
Friday
Rain. Mostly cloudy, with a high near 50.
Friday Night
Rain likely. Mostly cloudy, with a low around 41.
Saturday
Rain likely. Mostly cloudy, with a high near 48.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 40.
Sunday
A chance of rain. Mostly cloudy, with a high near 48.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Newcastle WA
47.52°N 122.17°W (Elev. 400 ft)
47.52°N 122.17°W (Elev. 400 ft)
1:25 pm PST Dec 29, 2025
1pm PST Dec 29, 2025-6pm PST Jan 4, 2026
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