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.

Clear

72°F

22°C

Humidity 49%
Wind Speed S 6 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 20 Sep 06:20 PM PDT
Extended Forecast for

3 Miles WNW Sammamish WA

  • Tonight

    Tonight: Rain, mainly after 2am. Low around 58. South southwest wind 5 to 7 mph becoming southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Slight Chance
    Rain then
    Rain

  • Sunday

    Sunday: Rain likely, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 67. South southwest wind around 5 mph becoming calm in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Rain Likely
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 72. Calm wind.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 50. Calm wind.

    Low: 50 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Tuesday Night

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

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain, mainly after 2am. Low around 58. South southwest wind 5 to 7 mph becoming southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain likely, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 67. South southwest wind around 5 mph becoming calm in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Partly cloudy, with a low around 51. Calm wind.
Monday
Sunny, with a high near 72. Calm wind.
Monday Night
Clear, with a low around 50. Calm wind.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 52.
Friday
A slight chance of rain. Mostly sunny, with a high near 71.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 53.
Saturday
A slight chance of rain. Partly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Sammamish WA
 47.62°N 122.1°W (Elev. 200 ft)
Last Update:
2:32 pm PDT Sep 20, 2025
Forecast Valid:
6pm PDT Sep 20, 2025-6pm PDT Sep 27, 2025
 
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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