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Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

Lat: 47.68528°NLon: 122.25111°WElev: 29.0ft.

NA

66°F

19°C

Humidity 67%
Wind Speed E 2 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 55°F (13°C)
Visibility NA
Last update 14 Oct 02:30 PM PDT
Extended Forecast for

Sammamish WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 65. Calm wind.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, then becoming sunny during the afternoon, with a high near 73. Calm wind.

    High: 73 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. Light east wind.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 75. Calm wind.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of rain after 11pm. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance Rain

  • Saturday

    Saturday: Rain, mainly before 11am. High near 60. Chance of precipitation is 90%.

    High: 60 °F

    Rain then
    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 65. Calm wind.
Tonight
Mostly clear, with a low around 45. Calm wind.
Thursday
Partly sunny, then becoming sunny during the afternoon, with a high near 73. Calm wind.
Thursday Night
Mostly clear, with a low around 49. Light east wind.
Friday
Mostly sunny, with a high near 75. Calm wind.
Friday Night
A 50 percent chance of rain after 11pm. Mostly cloudy, with a low around 53.
Saturday
Rain, mainly before 11am. High near 60. Chance of precipitation is 90%.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
A chance of rain. Mostly cloudy, with a high near 56.
Monday Night
A chance of rain. Mostly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sammamish WA
 47.62°N 122.04°W (Elev. 469 ft)
Last Update:
12:50 pm PDT Oct 14, 2026
Forecast Valid:
2pm PDT Oct 14, 2026-6pm PDT Oct 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation