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.
Clear
34°F
1°C
| Humidity | 92% |
| Wind Speed | N 0 MPH |
| Barometer | 30.34 in (1027.43 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Last update | 17 Jan 09:53 AM PST |
Extended Forecast for
Newcastle WA
Today
High: 51 °F
Sunny
Tonight
Low: 37 °F
Mostly Clear
Sunday
High: 50 °F
Sunny
Sunday Night
Low: 36 °F
Mostly Clear
M.L.King Day
High: 50 °F
Sunny
Monday Night
Low: 36 °F
Partly Cloudy
Tuesday
High: 47 °F
Partly Sunny
Tuesday Night
Low: 36 °F
Mostly Cloudy
Wednesday
High: 47 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 51. Northeast wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 37. Light east northeast wind.
Sunday
Sunny, with a high near 50. Light and variable wind.
Sunday Night
Mostly clear, with a low around 36. East northeast wind 3 to 5 mph.
M.L.King Day
Sunny, with a high near 50. East wind around 5 mph becoming light and variable in the morning.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
A slight chance of rain and snow. Partly sunny, with a high near 46.
Thursday Night
A chance of rain and snow. Partly cloudy, with a low around 35.
Friday
A chance of rain and snow. Partly sunny, with a high near 43.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Newcastle WA
47.55°N 122.14°W (Elev. 538 ft)
47.55°N 122.14°W (Elev. 538 ft)
7:01 am PST Jan 17, 2026
10am PST Jan 17, 2026-6pm PST Jan 23, 2026
Additional Resources
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