Olallie Lake Weather Forecast

    • 33
    • 40

    Rain Likely

    • 31
    • 40

    Chance Snow

    • 35
    • 46

    Partly Sunny

    • 34
    • 47

    Partly Sunny

    • 35
    • 48

    Chance Rain

    • 37
    • 50

    Chance Rain

Today 22 Apr Cascades of Southern King County

Rain in the morning. A slight chance of snow through the day. Rain likely in the afternoon. Snow level near 5500 feet. Rainfall Amounts a half inch to one inch possible. No snow accumulation. Afternoon pass Temperatures in the lower 40s. Light wind in the Passes becoming west around 10 Mph in the afternoon.

Tonight 22 Apr Cascades of Southern King County

Mostly cloudy. A chance of rain in the evening. A chance of snow. A slight chance of rain after midnight. Snow level near 5000 feet decreasing to 4000 feet after midnight. Light wind in the Passes.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Olallie Lake Temperature Statistics

April Temperature

Stampede Pass (12.4 miles)

  • Lowest 15 April, 2026

    25 °F

  • Average April

    38.1 °F

  • Highest 6 April, 2026

    59 °F

Climate (2021–Present)

Stampede Pass (12.4 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    41.5 °F

  • Average High 2021–2026

    48.3 °F
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