Olallie Lake Weather Forecast

    • 44
    • 68

    Decreasing Clouds

    • 44
    • 67

    Mostly Sunny

    • 50
    • 75

    Sunny

    • 55
    • 81

    Mostly Sunny

    • 53
    • 82

    Mostly Sunny

    • 50
    • 78

    Mostly Sunny

Today 19 Aug South Washington Cascades

Mostly sunny. Free air freezing level 13000 feet. West wind 5 to 10 Mph.

Tonight 19 Aug South Washington Cascades

Partly cloudy. Free air freezing level 13000 feet. Northwest wind 5 to 10 Mph.

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Olallie Lake Temperature Statistics

August Temperature

The Dalles Municipal Airport (51 miles)

  • Lowest 8 August, 2025

    53.7 °F

  • Average August

    75.7 °F

  • Highest 11 August, 2025

    105.7 °F

Climate (2020–Present)

The Dalles Municipal Airport (51 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    56.2 °F

  • Average High 2020–2025

    66.8 °F
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