Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

67°F

19°C

Humidity 70%
Wind Speed NNW 5 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 04 Oct 02:53 PM PDT
Extended Forecast for

Mercer Island WA

  • Tonight

    Tonight: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 68. Light and variable wind.

    High: 68 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. North northeast wind 3 to 5 mph.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 53. Calm wind.
Monday
Partly sunny, with a high near 68. Light and variable wind.
Monday Night
Partly cloudy, with a low around 53. Calm wind.
Tuesday
Mostly sunny, with a high near 68. Calm wind becoming north northwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 51. North northeast wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 53.
Friday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 65.
Friday Night
A chance of rain. Mostly cloudy, with a low around 50.
Saturday
A slight chance of rain. Partly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WA
 47.56°N 122.18°W (Elev. 207 ft)
11:26 am PDT Oct 4, 2026
3pm PDT Oct 4, 2026-6pm PDT Oct 11, 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