Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Partly Cloudy

50°F

10°C

Humidity 82%
Wind Speed WNW 5 MPH
Barometer 30.48 in (1032.17 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 14 Jan 04:53 PM PST
Extended Forecast for

3 Miles NNE Newcastle WA

  • Tonight

    Tonight: Areas of fog.  Otherwise, mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Areas Fog

  • Thursday

    Thursday: Patchy dense fog before 1pm.  Otherwise, partly sunny, with a high near 50. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 50 °F

    Patchy Dense
    Fog

  • Thursday Night

    Thursday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 36. Light north northeast wind.

    Low: 36 °F

    Patchy Fog

  • Friday

    Friday: Sunny, with a high near 52. Calm wind.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of fog. Otherwise, mostly cloudy, with a low around 41. Calm wind.
Thursday
Patchy dense fog before 1pm. Otherwise, partly sunny, with a high near 50. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 36. Light north northeast wind.
Friday
Sunny, with a high near 52. Calm wind.
Friday Night
Mostly clear, with a low around 36. Calm wind.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 35.
M.L.King Day
Sunny, with a high near 51.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 36.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 49.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 37.
Wednesday
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Newcastle WA
 47.59°N 122.12°W (Elev. 256 ft)
1:26 pm PST Jan 14, 2026
5pm PST Jan 14, 2026-6pm PST Jan 21, 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