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.

Clear

34°F

1°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 01 Dec 01:20 AM PST
Extended Forecast for

Sammamish WA

  • Overnight

    Overnight: A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Slight Chance
    Rain

  • Monday

    Monday: A chance of rain before 10am, then a chance of rain after 4pm. Mostly cloudy, with a high near 45. Calm wind. Chance of precipitation is 30%.

    High: 45 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain. Low around 40. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain

  • Tuesday

    Tuesday: Rain likely before 10am. Patchy fog before 3pm. Otherwise, mostly cloudy, 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
    Patchy Fog

  • 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.

    High: 45 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after 4am. Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Rain likely, mainly after 10am. Patchy fog before 10am. Otherwise, cloudy, with a high near 46.

    High: 46 °F

    Rain Likely
    and Patchy
    Fog

  • Thursday Night

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

    Low: 43 °F

    Rain

Detailed Forecast

Overnight
A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 33. Calm wind.
Monday
A chance of rain before 10am, then a chance of rain after 4pm. Mostly cloudy, with a high near 45. Calm wind. Chance of precipitation is 30%.
Monday Night
Rain. Low around 40. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain likely before 10am. Patchy fog before 3pm. Otherwise, mostly cloudy, 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.
Wednesday Night
A 30 percent chance of rain, mainly after 4am. Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38.
Thursday
Rain likely, mainly after 10am. Patchy fog before 10am. Otherwise, cloudy, with a high near 46.
Thursday Night
Rain. Cloudy, with a low around 43.
Friday
Rain. Cloudy, with a high near 52.
Friday Night
Rain. Cloudy, with a low around 44.
Saturday
Rain. Cloudy, with a high near 50.
Saturday Night
Rain. Cloudy, with a low around 44.
Sunday
Rain. Cloudy, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sammamish WA
 47.62°N 122.04°W (Elev. 469 ft)
Last Update:
1:25 am PST Dec 1, 2025
Forecast Valid:
1am 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