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

39°F

4°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 16 Oct 05:00 AM PDT
Extended Forecast for

Sammamish WA

  • Today

    Today: Increasing clouds, with a high near 61. Calm wind.

    High: 61 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A slight chance of showers before 8pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 50. Light south wind. Chance of precipitation is 50%.

    Low: 50 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers, mainly before 11am. Cloudy through mid morning, then gradual clearing, with a high near 59. Calm wind.

    High: 59 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of rain after 11am. Mostly cloudy, with a high near 58. Calm wind.

    High: 58 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain. Low around 48. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 48 °F

    Rain

  • Sunday

    Sunday: Showers. High near 57. Chance of precipitation is 100%.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: Showers. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Showers

  • Monday

    Monday: A chance of showers before 11am. Partly sunny, with a high near 58.

    High: 58 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 61. Calm wind.
Tonight
A slight chance of showers before 8pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 50. Light south wind. Chance of precipitation is 50%.
Friday
A 50 percent chance of showers, mainly before 11am. Cloudy through mid morning, then gradual clearing, with a high near 59. Calm wind.
Friday Night
Partly cloudy, with a low around 41. Calm wind.
Saturday
A 40 percent chance of rain after 11am. Mostly cloudy, with a high near 58. Calm wind.
Saturday Night
Rain. Low around 48. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Showers. High near 57. Chance of precipitation is 100%.
Sunday Night
Showers. Mostly cloudy, with a low around 47.
Monday
A chance of showers before 11am. Partly sunny, with a high near 58.
Monday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 45.
Tuesday
A chance of rain. Mostly cloudy, with a high near 57.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Mostly cloudy, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sammamish WA
 47.62°N 122.07°W (Elev. 200 ft)
Last Update:
2:25 am PDT Oct 16, 2025
Forecast Valid:
5am PDT Oct 16, 2025-6pm PDT Oct 22, 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