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Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

46°F

8°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.47 in (1031.83 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 14 Jan 05:10 AM PST
Extended Forecast for

2 Miles S Mercer Island WA

  • Today

    Today: Areas of fog before noon. Otherwise, mostly cloudy, with a high near 53. Calm wind becoming north northwest around 5 mph.

    High: 53 °F

    Areas Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Patchy dense fog before 7pm, then patchy dense fog after 8pm. Otherwise, mostly cloudy, with a low around 45. Light north wind.

    Low: 45 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Partly sunny, with a steady temperature around 47. North northeast wind around 7 mph.

    High: 47 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Patchy fog between 1am and 3am. Otherwise, partly cloudy, with a low around 39. North northeast wind around 6 mph.

    Low: 39 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Sunny, with a high near 52. Northeast wind around 6 mph.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39.

    Low: 39 °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 38.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

Today
Areas of fog before noon. Otherwise, mostly cloudy, with a high near 53. Calm wind becoming north northwest around 5 mph.
Tonight
Patchy dense fog before 7pm, then patchy dense fog after 8pm. Otherwise, mostly cloudy, with a low around 45. Light north wind.
Thursday
Partly sunny, with a steady temperature around 47. North northeast wind around 7 mph.
Thursday Night
Patchy fog between 1am and 3am. Otherwise, partly cloudy, with a low around 39. North northeast wind around 6 mph.
Friday
Sunny, with a high near 52. Northeast wind around 6 mph.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 38.
M.L.King Day
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Mercer Island WA
 47.53°N 122.23°W (Elev. 200 ft)
Last Update:
5:37 am PST Jan 14, 2026
Forecast Valid:
5am PST Jan 14, 2026-6pm PST Jan 20, 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