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

Tracking Winter Storm and Severe Weather Impacts Through This Weekend

Heavy mountain snow will continue into Thursday afternoon across the Cascades. Two fast moving storms will track from the southern Rockies to the Great Lakes Thursday and then Friday into Sunday with areas of gusty winds, and heavy snow. In the Southeast U.S., severe thunderstorms and heavy to excessive rainfall are forecast on Friday. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Mostly Cloudy

41°F

5°C

Humidity 80%
Wind Speed S 12 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 07 Jan 05:35 PM PST
Extended Forecast for

Newcastle WA

  • This Afternoon

    This Afternoon: Rain likely, possibly mixed with snow showers. Mostly cloudy, with a high near 40. South southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow
    Likely

  • Tonight

    Tonight: Rain likely, possibly mixed with snow showers, mainly before 3am. Mostly cloudy, with a low around 34. South southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain and snow showers, becoming all rain after 10am. High near 42. South southwest wind around 9 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 39. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain Likely

  • Friday

    Friday: A 30 percent chance of rain before 10am. Mostly cloudy, with a high near 48. South wind 6 to 8 mph.

    High: 48 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

Detailed Forecast

This Afternoon
Rain likely, possibly mixed with snow showers. Mostly cloudy, with a high near 40. South southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tonight
Rain likely, possibly mixed with snow showers, mainly before 3am. Mostly cloudy, with a low around 34. South southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
Rain and snow showers, becoming all rain after 10am. High near 42. South southwest wind around 9 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Rain likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 39. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of rain before 10am. Mostly cloudy, with a high near 48. South wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Mostly cloudy, with a high near 48.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 40.
Sunday
A chance of rain. Mostly cloudy, with a high near 48.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 43.
Monday
A chance of rain. Mostly cloudy, with a high near 52.
Monday Night
A chance of rain. Mostly cloudy, with a low around 45.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 54.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 42.
Wednesday
A slight chance of rain. Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
Last Update:
1:25 pm PST Jan 7, 2026
Forecast Valid:
5pm PST Jan 7, 2026-6pm PST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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