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.

Overcast

43°F

6°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 01 Dec 11:35 AM PST
Extended Forecast for

Sammamish WA

  • Today

    Today: A 30 percent chance of rain after 4pm. Mostly cloudy, with a high near 45. Calm wind.

    High: 45 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly before 5am. Low around 39. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, mainly before 7am. Patchy fog before noon. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 46. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Rain Likely
    and Patchy
    Fog then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 45. Calm wind.

    High: 45 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 36.

    Low: 36 °F

    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Thursday

    Thursday: Rain, mainly after 10am. High near 46. Chance of precipitation is 80%.

    High: 46 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Cloudy, with a low around 43.

    Low: 43 °F

    Rain

  • Friday

    Friday: Rain. Cloudy, with a high near 53.

    High: 53 °F

    Rain

Detailed Forecast

Today
A 30 percent chance of rain after 4pm. Mostly cloudy, with a high near 45. Calm wind.
Tonight
Rain, mainly before 5am. Low around 39. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain likely, mainly before 7am. Patchy fog before noon. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 46. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Wednesday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 45. Calm wind.
Wednesday Night
A 30 percent chance of rain after 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 36.
Thursday
Rain, mainly after 10am. High near 46. Chance of precipitation is 80%.
Thursday Night
Rain. Cloudy, with a low around 43.
Friday
Rain. Cloudy, with a high near 53.
Friday Night
Rain. Cloudy, with a low around 45.
Saturday
Rain. Mostly cloudy, with a high near 51.
Saturday Night
Rain. Mostly cloudy, with a low around 44.
Sunday
Rain. Cloudy, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sammamish WA
 47.6°N 122.03°W (Elev. 463 ft)
Last Update:
11:26 am PST Dec 1, 2025
Forecast Valid:
11am PST Dec 1, 2025-6pm PST Dec 7, 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