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

Renton Municipal Airport (KRNT)

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

Overcast

50°F

10°C

Humidity 81%
Wind Speed S 4 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 20 Nov 10:00 AM PST
Extended Forecast for

2 Miles S Mercer Island WA

  • Today

    Today: Mostly sunny, with a high near 54. South wind 3 to 5 mph.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 42. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of rain. Partly sunny, with a high near 54. South wind around 6 mph.

    High: 54 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 49. South wind around 7 mph.

    Low: 49 °F

    Chance Rain

  • Saturday

    Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 57. South wind around 6 mph.

    High: 57 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Rain Likely

  • Sunday

    Sunday: Rain. High near 55. Chance of precipitation is 80%.

    High: 55 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Cloudy, with a low around 42.

    Low: 42 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 10am. Partly sunny, with a high near 51.

    High: 51 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 54. South wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 42. Calm wind becoming south southeast around 5 mph after midnight.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 54. South wind around 6 mph.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 49. South wind around 7 mph.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 57. South wind around 6 mph.
Saturday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 55. Chance of precipitation is 80%.
Sunday Night
Rain. Cloudy, with a low around 42.
Monday
Rain likely, mainly before 10am. Partly sunny, with a high near 51.
Monday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 48.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 39.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Mercer Island WA
 47.54°N 122.2°W (Elev. 3 ft)
Last Update:
7:00 am PST Nov 20, 2025
Forecast Valid:
10am PST Nov 20, 2025-6pm PST Nov 26, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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