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

Above Average Temperatures for Most Today; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures are forecast today into Wednesday over most of the lower 48 states away from the Gulf Coast. A storm system passing across southern Canada will bring a wintry mix to the upper Great Lakes today. A trailing cold front will then bring the wintry mix from the central Appalachians through the Northeast U.S. Wednesday and Thursday. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Mostly Cloudy

55°F

13°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.4 in (1029.46 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 13 Jan 09:45 AM PST
Extended Forecast for

2 Miles ENE Newcastle WA

  • Today

    Today: Partly sunny, with a high near 56. Calm wind.

    High: 56 °F

    Partly Sunny

  • Tonight

    Tonight: Areas of fog after 1am. Otherwise, mostly cloudy, with a low around 43. Light south wind.

    Low: 43 °F

    Mostly Cloudy
    then Areas
    Fog

  • Wednesday

    Wednesday: Widespread dense fog, mainly before 10am. Otherwise, partly sunny, with a steady temperature around 45. Light and variable wind.

    High: 45 °F

    Dense Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 41. Light north northeast wind.

    Low: 41 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 49. North northeast wind around 7 mph.

    High: 49 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Friday Night

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

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 56. Calm wind.
Tonight
Areas of fog after 1am. Otherwise, mostly cloudy, with a low around 43. Light south wind.
Wednesday
Widespread dense fog, mainly before 10am. Otherwise, partly sunny, with a steady temperature around 45. Light and variable wind.
Wednesday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 41. Light north northeast wind.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 49. North northeast wind around 7 mph.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Sunny, with a high near 50.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 35.
M.L.King Day
Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Newcastle WA
 47.55°N 122.11°W (Elev. 794 ft)
Last Update:
7:01 am PST Jan 13, 2026
Forecast Valid:
10am PST Jan 13, 2026-6pm PST Jan 19, 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