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.

Mostly Cloudy

59°F

15°C

Humidity 77%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 03 Oct 08:00 PM PDT
Extended Forecast for

Sammamish WA

  • Tonight

    Tonight: Rain likely, mainly before 2am. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Rain Likely

  • Saturday

    Saturday: A 50 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 63. Calm wind.

    High: 63 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 66. Light north northwest wind.

    High: 66 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. North northwest wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain likely, mainly before 2am. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 50 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 63. Calm wind.
Saturday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 46. Calm wind.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 66. Light north northwest wind.
Sunday Night
Mostly clear, with a low around 43. North northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 70.
Monday Night
Clear, with a low around 46.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
A chance of rain, mainly after 11am. Mostly sunny, with a high near 68.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 47.
Thursday
A chance of rain. Mostly sunny, with a high near 67.
Thursday Night
A chance of rain. Partly cloudy, with a low around 48.
Friday
A chance of rain. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sammamish WA
 47.62°N 122.04°W (Elev. 469 ft)
Last Update:
8:01 pm PDT Oct 3, 2025
Forecast Valid:
8pm PDT Oct 3, 2025-6pm PDT Oct 10, 2025
 
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