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
46°F
8°C
| Humidity | 70% |
| Wind Speed | NW 9 MPH |
| Barometer | 30.25 in (1024.38 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 41°F (5°C) |
| Last update | 17 Jan 07:20 PM PST |
Extended Forecast for
Newcastle WA
Tonight
Low: 34 °F
Mostly Clear
Sunday
High: 51 °F
Sunny
Sunday Night
Low: 35 °F
Mostly Clear
M.L.King Day
High: 50 °F
Sunny
Monday Night
Low: 34 °F
Mostly Clear
Tuesday
High: 48 °F
Partly Sunny
Tuesday Night
Low: 36 °F
Partly Cloudy
Wednesday
High: 47 °F
Partly Sunny
Wednesday Night
Low: 36 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 34. Light east northeast wind.
Sunday
Sunny, with a high near 51. Light north northeast wind.
Sunday Night
Mostly clear, with a low around 35. Light east wind.
M.L.King Day
Sunny, with a high near 50. Light and variable wind.
Monday Night
Mostly clear, with a low around 34. Calm wind.
Tuesday
Partly sunny, with a high near 48.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
A slight chance of rain after 10am. Partly sunny, with a high near 45.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 39.
Friday
A chance of rain. Mostly cloudy, with a high near 45.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 36.
Saturday
Rain and snow likely. Mostly cloudy, with a high near 41.
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 pm PST Jan 17, 2026
7pm PST Jan 17, 2026-6pm PST Jan 24, 2026
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