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

46°F

8°C

Humidity 75%
Wind Speed NNW 5 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 02 Dec 02:20 PM PST
Extended Forecast for

Sammamish WA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 46. Calm wind.

    High: 46 °F

    Partly Sunny

  • Tonight

    Tonight: Areas of fog after 10pm. Otherwise, mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Areas Fog

  • Wednesday

    Wednesday: A slight chance of rain between 9am and 11am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 45. Calm wind. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 10pm. Patchy fog. Otherwise, mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Rain. High near 46. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 43. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Friday

    Friday: Rain. High near 53. Chance of precipitation is 100%.

    High: 53 °F

    Rain

  • Friday Night

    Friday Night: Rain. Cloudy, with a low around 46.

    Low: 46 °F

    Rain

  • Saturday

    Saturday: Rain. Cloudy, with a high near 51.

    High: 51 °F

    Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 46. Calm wind.
Tonight
Areas of fog after 10pm. Otherwise, mostly cloudy, with a low around 35. Calm wind.
Wednesday
A slight chance of rain between 9am and 11am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 45. Calm wind. Chance of precipitation is 20%.
Wednesday Night
A 30 percent chance of rain after 10pm. Patchy fog. Otherwise, mostly cloudy, with a low around 39. Calm wind.
Thursday
Rain. High near 46. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 43. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 53. Chance of precipitation is 100%.
Friday Night
Rain. Cloudy, with a low around 46.
Saturday
Rain. Cloudy, with a high near 51.
Saturday Night
Rain likely. Mostly cloudy, with a low around 45.
Sunday
Rain. Cloudy, with a high near 53.
Sunday Night
Rain likely. Mostly cloudy, with a low around 45.
Monday
Rain likely. Cloudy, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sammamish WA
 47.6°N 122.03°W (Elev. 463 ft)
Last Update:
2:10 pm PST Dec 2, 2025
Forecast Valid:
2pm PST Dec 2, 2025-6pm PST Dec 8, 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