Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

34°F

1°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 19 Jan 12:20 AM PST
Extended Forecast for

3 Miles E Newcastle WA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 38. East northeast wind around 6 mph.

    Low: 38 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 50. East wind 3 to 5 mph.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. East wind around 5 mph becoming calm  in the evening.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. Light north wind.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. East wind around 5 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of rain before 10pm, then a chance of rain and snow.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 38. East northeast wind around 6 mph.
M.L.King Day
Sunny, with a high near 50. East wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 33. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 47. Light north wind.
Tuesday Night
Partly cloudy, with a low around 32. East wind around 5 mph.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
Mostly cloudy, with a high near 43.
Thursday Night
A slight chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 35.
Friday
A chance of rain and snow before 10am, then a chance of rain. Mostly cloudy, with a high near 43.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Saturday
A chance of rain and snow. Partly sunny, with a high near 42.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 35.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
7:01 pm PST Jan 18, 2026
12am PST Jan 19, 2026-6pm PST Jan 25, 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