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.

Overcast

54°F

12°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 13 Jan 03:35 AM PST
Extended Forecast for

Sammamish WA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Widespread dense fog, mainly between midnight and 2am. Otherwise, mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Cloudy
    then Dense
    Fog

  • Wednesday

    Wednesday: Widespread dense fog, mainly before 10am. Otherwise, partly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Dense Fog
    then Partly
    Sunny

  • Wednesday Night

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

    Low: 41 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 51.

    High: 51 °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 53.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 50. Calm wind.
Tuesday
Partly sunny, with a high near 58. Calm wind.
Tuesday Night
Widespread dense fog, mainly between midnight and 2am. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Wednesday
Widespread dense fog, mainly before 10am. Otherwise, partly sunny, with a high near 52. Calm wind.
Wednesday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 41. Calm wind.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 54.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 36.
M.L.King Day
Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sammamish WA
 47.6°N 122.03°W (Elev. 463 ft)
Last Update:
1:25 am PST Jan 13, 2026
Forecast Valid:
3am PST Jan 13, 2026-6pm PST Jan 19, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation