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 87%
Wind Speed N 0 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 03 Dec 11:00 PM PST
Extended Forecast for

Sammamish WA

  • Tonight

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

    Low: 39 °F

    Rain Likely
    and Patchy
    Fog

  • Thursday

    Thursday: Rain. High near 47. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 44. Light south wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain

  • Friday

    Friday: Rain. High near 53. South southwest wind around 7 mph, with gusts as high as 20 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 45. South southwest wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain

  • Saturday

    Saturday: Rain. High near 51. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 46. Chance of precipitation is 90%.

    Low: 46 °F

    Rain

  • Sunday

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

    High: 54 °F

    Rain

  • Sunday Night

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

    Low: 47 °F

    Rain

Detailed Forecast

Tonight
Rain likely, mainly after 3am. Patchy fog after midnight. Otherwise, cloudy, with a low around 39. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 47. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 44. Light south wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 53. South southwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain. Low around 45. South southwest wind around 7 mph. 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%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 46. Chance of precipitation is 90%.
Sunday
Rain. Cloudy, with a high near 54.
Sunday Night
Rain. Mostly cloudy, with a low around 47.
Monday
Rain. Cloudy, with a high near 55.
Monday Night
Rain. Cloudy, with a low around 48.
Tuesday
Rain. Cloudy, with a high near 55.
Tuesday Night
Rain. Cloudy, with a low around 45.
Wednesday
Rain. Cloudy, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sammamish WA
 47.62°N 122.07°W (Elev. 200 ft)
Last Update:
7:00 pm PST Dec 3, 2025
Forecast Valid:
11pm PST Dec 3, 2025-6pm PST Dec 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