Tracking Winter Weather and Frigid Temperatures This Weekend
Another clipper will drop into the Northern Plains and Upper Midwest into Sunday with snow and gusty winds contributing to some areas of blizzard conditions and snow squalls. Impactful snowfall will occur up and down the East Coast Sunday extending from the western Florida Panhandle to Maine. Read More >
Current conditions at
Renton Municipal Airport (KRNT)
Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.
Clear
32°F
0°C
| Humidity | 95% |
| Wind Speed | N 0 MPH |
| Barometer | 30.29 in (1025.74 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 18 Jan 03:53 AM PST |
Extended Forecast for
Newcastle WA
Today
High: 51 °F
Sunny
Tonight
Low: 36 °F
Mostly Clear
M.L.King Day
High: 51 °F
Sunny
Monday Night
Low: 36 °F
Partly Cloudy
Tuesday
High: 49 °F
Partly Sunny
Tuesday Night
Low: 37 °F
Mostly Cloudy
Wednesday
High: 48 °F
Mostly Cloudy
Wednesday Night
Low: 38 °F
Mostly Cloudy
Thursday
High: 46 °F
Slight Chance
Rain
Detailed Forecast
Today
Sunny, with a high near 51. Calm wind.
Tonight
Mostly clear, with a low around 36. Light east northeast wind.
M.L.King Day
Sunny, with a high near 51. Light north northeast wind.
Monday Night
Partly cloudy, with a low around 36. Calm wind.
Tuesday
Partly sunny, with a high near 49. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
A slight chance of rain after 10am. Mostly cloudy, with a high near 46.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 41.
Friday
A chance of rain. Mostly cloudy, with a high near 46.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 43.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Newcastle WA
47.54°N 122.17°W (Elev. 397 ft)
47.54°N 122.17°W (Elev. 397 ft)
1:27 am PST Jan 18, 2026
4am PST Jan 18, 2026-6pm PST Jan 24, 2026
Additional Resources
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