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

45°F

7°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 03 Dec 04:00 AM PST
Extended Forecast for

Sammamish WA

  • Today

    Today: Patchy fog before noon. Otherwise, mostly cloudy, with a high near 45. Calm wind.

    High: 45 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Rain likely, mainly after 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Patchy Fog
    then Rain
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Rain. High near 47. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 42. Light south southeast wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain

  • Friday

    Friday: Rain. High near 53. South southwest wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 46. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain

  • Saturday

    Saturday: Rain. High near 51. Chance of precipitation is 90%.

    High: 51 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Rain

  • Sunday

    Sunday: Rain. Cloudy, with a high near 54.

    High: 54 °F

    Rain

Detailed Forecast

Today
Patchy fog before noon. Otherwise, mostly cloudy, with a high near 45. Calm wind.
Tonight
Rain likely, mainly after 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 47. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 42. Light south southeast wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 53. South southwest wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain. Low around 46. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. High near 51. Chance of precipitation is 90%.
Saturday Night
Rain. Mostly cloudy, with a low around 45.
Sunday
Rain. Cloudy, with a high near 54.
Sunday Night
Rain, mainly before 10pm. Mostly cloudy, with a low around 44.
Monday
Rain likely. Cloudy, with a high near 54.
Monday Night
Rain. Cloudy, with a low around 47.
Tuesday
Rain. Cloudy, with a high near 54.
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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:
1:25 am PST Dec 3, 2025
Forecast Valid:
4am PST Dec 3, 2025-6pm PST Dec 9, 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