Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. 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 this 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 66%
Wind Speed SSE 5 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 12 Feb 12:00 PM PST
Extended Forecast for

Newcastle WA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 51. South southwest wind around 6 mph.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of rain after 4am.  Mostly cloudy, with a low around 41. South wind around 7 mph.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain, mainly after 10am.  High near 46. South wind around 6 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain

  • Friday Night

    Friday Night: Rain, mainly before 10pm.  Low around 39. South wind around 6 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 45. Light and variable wind becoming north northwest around 5 mph in the afternoon.

    High: 45 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain and snow after 4am.  Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Washington's Birthday

    Washington's Birthday: A slight chance of rain and snow before 10am, then rain likely.  Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance
    Rain/Snow
    then Rain
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 51. South southwest wind around 6 mph.
Tonight
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 41. South wind around 7 mph.
Friday
Rain, mainly after 10am. High near 46. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain, mainly before 10pm. Low around 39. South wind around 6 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 45. Light and variable wind becoming north northwest around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
A slight chance of rain and snow after 4am. Partly cloudy, with a low around 32.
Washington's Birthday
A slight chance of rain and snow before 10am, then rain likely. Mostly cloudy, with a high near 46.
Monday Night
Rain likely before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 35.
Tuesday
Rain and snow likely. Mostly cloudy, with a high near 46.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 38.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
7:01 am PST Feb 12, 2026
12pm PST Feb 12, 2026-6pm PST Feb 18, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database