Sammamish Weather Forecast

    • 54
    • 76

    Becoming Sunny

    • 56
    • 80

    Patchy Smoke

    • 59
    • 87

    Partly Sunny

    • 56
    • 76

    Mostly Cloudy

    • 53
    • 74

    Slight Chance Rain

    • 52
    • 74

    Partly Sunny

Today 23 Aug Eastside

Partly sunny. Highs in the mid to upper 70s. Light wind.

Tonight 23 Aug Eastside

Mostly clear. Lows in the 50s. Light wind.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sammamish Temperature Statistics

August Temperature

Renton Municipal Airport (11.8 miles)

  • Lowest 3 August, 2026

    52 °F

  • Average August

    68.7 °F

  • Highest 6 August, 2026

    87.1 °F

Climate (2021–2026)

Renton Municipal Airport (11.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    62.2 °F
Get WillyWeather+ to remove ads