National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake-Effect Snow through Friday; Strong Winds in the Northern and Central Plains

A clipper-like system will drop down from Canada on Thursday, bringing wintry weather from the Upper Midwest to the Great Lakes through Friday. This system is expected to bring strong northerly winds to much of the northern and central High Plains Thursday afternoon through Friday, with gusts up to 60 mph expected. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.

Overcast

48°F

9°C

Humidity 87%
Wind Speed N 3 MPH
Barometer 30.5 in (1032.85 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 14 Jan 08:35 PM PST
Extended Forecast for

Newcastle WA

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 41. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 41 °F

    Patchy Fog

  • Thursday

    Thursday: Partly sunny, with a high near 48. North northeast wind around 7 mph.

    High: 48 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. Northeast wind around 7 mph.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 51. Northeast wind around 6 mph.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. East wind around 6 mph.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 41. Calm wind becoming north northeast around 5 mph after midnight.
Thursday
Partly sunny, with a high near 48. North northeast wind around 7 mph.
Thursday Night
Partly cloudy, with a low around 37. Northeast wind around 7 mph.
Friday
Sunny, with a high near 51. Northeast wind around 6 mph.
Friday Night
Mostly clear, with a low around 37. East wind around 6 mph.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 35.
M.L.King Day
Sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 37.
Wednesday
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
Last Update:
7:01 pm PST Jan 14, 2026
Forecast Valid:
8pm PST Jan 14, 2026-6pm PST Jan 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation