Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

36°F

2°C

Humidity 86%
Wind Speed S 5 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 21 Jan 12:00 PM PST
Extended Forecast for

Renton WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 48. Calm wind.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 32. Calm wind.

    Low: 32 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 47. Calm wind becoming north around 5 mph in the afternoon.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 48. Calm wind.
Tonight
Increasing clouds, with a low around 32. Calm wind.
Thursday
Partly sunny, with a high near 45. Calm wind.
Thursday Night
Partly cloudy, with a low around 31. Calm wind.
Friday
Sunny, with a high near 47. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 29.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
A slight chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 34.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 48.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 52.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Renton WA
 47.49°N 122.22°W (Elev. 82 ft)
7:01 am PST Jan 21, 2026
12pm PST Jan 21, 2026-6pm PST Jan 27, 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