Retreat Lake Weather Forecast

    • 46
    • 59

    Chance Rain Showers

    • 39
    • 55

    Chance Rain Showers

    • 45
    • 56

    Rain

    • 44
    • 53

    Rain Showers

    • 42
    • 55

    Chance Rain

    • 43
    • 55

    Chance Rain

Today 16 Oct Foothills and Valleys of Pierce and Southern King Counties

Sunny until late afternoon then becoming partly sunny. Highs in the upper 50s to mid 60s. Light wind.

Tonight 16 Oct Foothills and Valleys of Pierce and Southern King Counties

Mostly cloudy. A chance of Showers in the morning. Lows in the mid 40s to lower 50s. Light wind becoming south around 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Retreat Lake Temperature Statistics

October Temperature

Renton Municipal Airport (16.2 miles)

  • Lowest 14 October, 2025

    39 °F

  • Average October

    56.3 °F

  • Highest 7 October, 2025

    75.9 °F

Climate (2020–Present)

Renton Municipal Airport (16.2 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    62.2 °F
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