Lake Sawyer Weather Forecast

    • 49
    • 71

    Becoming Sunny

    • 51
    • 74

    Mostly Sunny

    • 56
    • 73

    Rain Likely

    • 50
    • 69

    Chance Rain

    • 52
    • 72

    Partly Sunny

    • 54
    • 71

    Chance Rain

Today 18 Sep Foothills and Valleys of Pierce and Southern King Counties

Partly sunny in the morning then becoming sunny. Highs near 70. Light wind becoming north around 10 Mph in the afternoon.

Tonight 18 Sep Foothills and Valleys of Pierce and Southern King Counties

Mostly clear. Lows near 50. North wind to 10 Mph in the evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Sawyer Temperature Statistics

September Temperature

Renton Municipal Airport (13.7 miles)

  • Lowest 15 September, 2025

    53.1 °F

  • Average September

    66.2 °F

  • Highest 3 September, 2025

    82.9 °F

Climate (2020–Present)

Renton Municipal Airport (13.7 miles)

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

  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    62.2 °F
Get WillyWeather+ to remove ads