Current conditions at

Renton Municipal Airport (KRNT)

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

light rain,mist

48°F

9°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 46°F (8°C)
Visibility 5.00 mi
Last update 11 Dec 05:20 AM PST
Extended Forecast for

2 Miles S Mercer Island WA

Flood Watch December 11, 05:30am until December 12, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 11, 05:30am until December 12, 04:00pm

    NOW until 4:00pm Fri

    Flood Watch

  • Overnight

    Low: 50 °F

    Rain and
    Patchy Fog

  • Thursday

    Thursday: Rain, mainly before 11am.  Patchy fog. High near 53. Light east northeast wind.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain and
    Patchy Fog
    then Rain
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain likely, mainly before 7pm.  Patchy fog before 11pm, then patchy fog after midnight.  Otherwise, cloudy, with a low around 48. Calm wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Rain Likely
    and Patchy
    Fog

  • Friday

    Friday: A 40 percent chance of rain.  Cloudy, with a high near 57. South southwest wind 3 to 6 mph.

    High: 57 °F

    Chance Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain before 10pm.  Mostly cloudy, with a low around 48. South wind around 5 mph.

    Low: 48 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Low: 49 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly after 4pm.  Mostly cloudy, with a high near 56.

    High: 56 °F

    Rain Likely

Detailed Forecast

Overnight
Rain. Patchy fog. Low around 50. Northeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain, mainly before 11am. Patchy fog. High near 53. Light east northeast wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely, mainly before 7pm. Patchy fog before 11pm, then patchy fog after midnight. Otherwise, cloudy, with a low around 48. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 40 percent chance of rain. Cloudy, with a high near 57. South southwest wind 3 to 6 mph.
Friday Night
A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 48. South wind around 5 mph.
Saturday
Partly sunny, with a high near 57.
Saturday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Sunday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 56.
Sunday Night
Rain. Cloudy, with a low around 50.
Monday
Rain. Cloudy, with a high near 59.
Monday Night
Rain. Cloudy, with a low around 46.
Tuesday
Rain. Cloudy, with a high near 52.
Tuesday Night
Rain. Cloudy, with a low around 43.
Wednesday
Rain. Cloudy, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Mercer Island WA
 47.54°N 122.2°W (Elev. 3 ft)
3:45 am PST Dec 11, 2025
5am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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