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.

Mist

43°F

6°C

Humidity 86%
Wind Speed NNW 3 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 39°F (4°C)
Visibility 4.00 mi
Last update 01 Jan 06:20 PM PST
Extended Forecast for

Sammamish WA

  • Tonight

    Tonight: Rain. Steady temperature around 42. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain

  • Friday

    Friday: Rain likely, mainly after 4pm. Cloudy, with a high near 50. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 44. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: Rain. High near 53. Southeast wind 3 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 44. East southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain

  • Sunday

    Sunday: Rain. High near 50. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.

    Low: 41 °F

    Rain Likely

  • Monday

    Monday: A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

  • Monday Night

    Monday Night: A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Tonight
Rain. Steady temperature around 42. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain likely, mainly after 4pm. Cloudy, with a high near 50. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 44. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 53. Southeast wind 3 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 44. East southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 50. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Monday
A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 48.
Monday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 38.
Tuesday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 46.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 38.
Wednesday
Rain likely. Mostly cloudy, with a high near 46.
Wednesday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 35.
Thursday
A chance of rain and snow. Partly sunny, with a high near 44.
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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:
1:25 pm PST Jan 1, 2026
Forecast Valid:
6pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
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