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
34°F
1°C
| Humidity | 100% |
| Wind Speed | N 0 MPH |
| Barometer | 30.29 in (1025.74 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Last update | 18 Jan 03:00 AM PST |
Extended Forecast for
Newcastle WA
Overnight
Low: 36 °F
Mostly Clear
Sunday
High: 51 °F
Sunny
Sunday Night
Low: 36 °F
Mostly Clear
M.L.King Day
High: 50 °F
Sunny
Monday Night
Low: 35 °F
Mostly Clear
Tuesday
High: 48 °F
Partly Sunny
Tuesday Night
Low: 36 °F
Partly Cloudy
Wednesday
High: 47 °F
Mostly Cloudy
Wednesday Night
Low: 37 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 36. Calm wind.
Sunday
Sunny, with a high near 51. Calm wind.
Sunday Night
Mostly clear, with a low around 36. Light east northeast wind.
M.L.King Day
Sunny, with a high near 50. Light east wind.
Monday Night
Mostly clear, with a low around 35. Calm wind.
Tuesday
Partly sunny, with a high near 48.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
A slight chance of rain after 10am. Mostly cloudy, with a high near 45.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 40.
Friday
A chance of rain. Mostly cloudy, with a high near 45.
Friday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 35.
Saturday
A chance of rain and snow. 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)
1:27 am PST Jan 18, 2026
3am PST Jan 18, 2026-6pm PST Jan 24, 2026
Additional Resources
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