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.

Rain

41°F

5°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 37°F (3°C)
Visibility 7.00 mi
Last update 15 Apr 06:20 PM PDT
Extended Forecast for

Sammamish WA

  • Tonight

    Tonight: Rain and snow showers before 11pm, then a slight chance of rain showers between 11pm and 1am. Some thunder is also possible. Patchy frost after 1am. Low around 35. Light south wind. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Patchy frost between 8am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Patchy Frost
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 39. Light south wind.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A slight chance of rain. Mostly cloudy, with a high near 67.

    High: 67 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain and snow showers before 11pm, then a slight chance of rain showers between 11pm and 1am. Some thunder is also possible. Patchy frost after 1am. Low around 35. Light south wind. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Patchy frost between 8am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 55. Light and variable wind.
Thursday Night
Mostly cloudy, with a low around 39. Light south wind.
Friday
Partly sunny, with a high near 58. Calm wind.
Friday Night
Mostly cloudy, with a low around 40. Calm wind.
Saturday
Mostly cloudy, with a high near 65.
Saturday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 46.
Sunday
A slight chance of rain. Mostly cloudy, with a high near 67.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 69.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 48.
Tuesday
A chance of rain. Partly sunny, with a high near 65.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 47.
Wednesday
A chance of rain. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sammamish WA
 47.6°N 122.03°W (Elev. 463 ft)
Last Update:
2:10 pm PDT Apr 15, 2026
Forecast Valid:
6pm PDT Apr 15, 2026-6pm PDT Apr 22, 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