Lake Effect Snow in the Lower Great Lakes; Rain and High Elevation Snow in the West

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest Thursday afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

48°F

9°C

Humidity 70%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 11 Feb 05:35 PM PST
Extended Forecast for

Newcastle WA

  • Tonight

    Tonight: Increasing clouds, with a low around 37. Light and variable wind.

    Low: 37 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 52. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 52 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly after 4am.  Increasing clouds, with a low around 41. South wind around 6 mph.

    Low: 41 °F

    Chance Rain

  • Friday

    Friday: Rain, mainly after 10am.  High near 48. South wind around 6 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain

  • Friday Night

    Friday Night: Rain, mainly before 10pm.  Low around 39. South wind 3 to 5 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of rain.  Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

  • Sunday

    Sunday: A slight chance of rain.  Partly sunny, with a high near 45.

    High: 45 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A slight chance of rain and snow after 4am.  Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Tonight
Increasing clouds, with a low around 37. Light and variable wind.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 52. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
A 30 percent chance of rain, mainly after 4am. Increasing clouds, with a low around 41. South wind around 6 mph.
Friday
Rain, mainly after 10am. High near 48. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain, mainly before 10pm. Low around 39. South wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 46.
Saturday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 36.
Sunday
A slight chance of rain. Partly sunny, with a high near 45.
Sunday Night
A slight chance of rain and snow after 4am. Mostly cloudy, with a low around 34.
Washington's Birthday
A slight chance of rain and snow before 10am, then a chance of rain. Mostly cloudy, with a high near 46.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 46.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 37.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.54°N 122.17°W (Elev. 397 ft)
1:26 pm PST Feb 11, 2026
5pm PST Feb 11, 2026-6pm PST Feb 18, 2026
 
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