Tracking Winter Weather and Frigid Temperatures Through This Weekend
A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >
Current conditions at
Renton Municipal Airport (KRNT)
Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.
Partly Cloudy
43°F
6°C
| Humidity | 86% |
| Wind Speed | N 10 MPH |
| Barometer | 30.42 in (1030.14 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 37°F (3°C) |
| Last update | 16 Jan 06:35 AM PST |
Extended Forecast for
Newcastle WA
Today
High: 52 °F
Sunny
Tonight
Low: 38 °F
Mostly Clear
Saturday
High: 53 °F
Sunny
Saturday Night
Low: 37 °F
Mostly Clear
Sunday
High: 52 °F
Sunny
Sunday Night
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
Detailed Forecast
Today
Sunny, with a high near 52. North northeast wind around 6 mph.
Tonight
Mostly clear, with a low around 38. Northeast wind around 5 mph.
Saturday
Sunny, with a high near 53. East northeast wind 3 to 5 mph.
Saturday Night
Mostly clear, with a low around 37. Light east wind.
Sunday
Sunny, with a high near 52. Calm wind.
Sunday Night
Mostly clear, with a low around 36.
M.L.King Day
Sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 41.
Thursday
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)
1:26 am PST Jan 16, 2026
6am PST Jan 16, 2026-6pm PST Jan 22, 2026
Additional Resources
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Hourly Weather Forecast
