High-Impact and Far-Reaching Winter Storm Continues; Cold Expands and Persists

A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

34°F

1°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 25 Jan 07:15 PM PST
Extended Forecast for

Newcastle WA

  • Tonight

    Tonight: Increasing clouds, with a low around 32. Calm wind becoming south southeast around 5 mph.

    Low: 32 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 46. Light southeast wind.

    High: 46 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. East southeast wind 3 to 5 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 51. East wind around 5 mph.

    High: 51 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain, mainly after 10pm.  Mostly cloudy, with a low around 41. Southeast wind around 7 mph.

    Low: 41 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 51. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain.  Low around 44. Chance of precipitation is 80%.

    Low: 44 °F

    Rain

  • Thursday

    Thursday: Rain.  Mostly cloudy, with a high near 50.

    High: 50 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely.  Cloudy, with a low around 46.

    Low: 46 °F

    Rain Likely

Detailed Forecast

Tonight
Increasing clouds, with a low around 32. Calm wind becoming south southeast around 5 mph.
Monday
Mostly cloudy, with a high near 46. Light southeast wind.
Monday Night
Mostly cloudy, with a low around 38. East southeast wind 3 to 5 mph.
Tuesday
Mostly cloudy, with a high near 51. East wind around 5 mph.
Tuesday Night
A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 41. Southeast wind around 7 mph.
Wednesday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 51. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Low around 44. Chance of precipitation is 80%.
Thursday
Rain. Mostly cloudy, with a high near 50.
Thursday Night
Rain likely. Cloudy, with a low around 46.
Friday
Rain likely. Mostly cloudy, with a high near 52.
Friday Night
A chance of rain. Mostly cloudy, with a low around 46.
Saturday
A chance of rain. Mostly cloudy, with a high near 54.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 44.
Sunday
Rain likely. Mostly cloudy, with a high near 53.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
7:01 pm PST Jan 25, 2026
7pm PST Jan 25, 2026-6pm PST Feb 1, 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