National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

Overcast

52°F

11°C

Humidity 76%
Wind Speed NNW 6 MPH
Barometer 30.46 in (1031.49 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 14 Jan 03:15 PM PST
Extended Forecast for

3 Miles SE Newcastle WA

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 41. Light north northeast wind.

    Low: 41 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy dense fog before 11am. Otherwise, partly sunny, with a high near 49. North northeast wind 5 to 7 mph.

    High: 49 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog between 10pm and midnight. Otherwise, partly cloudy, with a low around 37. North northeast wind around 6 mph.

    Low: 37 °F

    Patchy Fog
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 52. East northeast wind around 5 mph.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. East wind around 5 mph.

    Low: 37 °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
Patchy fog. Otherwise, mostly cloudy, with a low around 41. Light north northeast wind.
Thursday
Patchy dense fog before 11am. Otherwise, partly sunny, with a high near 49. North northeast wind 5 to 7 mph.
Thursday Night
Patchy fog between 10pm and midnight. Otherwise, partly cloudy, with a low around 37. North northeast wind around 6 mph.
Friday
Sunny, with a high near 52. East northeast wind around 5 mph.
Friday Night
Mostly clear, with a low around 37. East wind around 5 mph.
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 50.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 48.
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 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Newcastle WA
 47.51°N 122.1°W (Elev. 1201 ft)
Last Update:
1:26 pm PST Jan 14, 2026
Forecast Valid:
3pm PST Jan 14, 2026-6pm PST Jan 21, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation