Trillium Lake Weather Forecast

    • 53
    • 82

    Sunny

    • 51
    • 76

    Sunny

    • 49
    • 75

    Partly Sunny

    • 49
    • 67

    Partly Sunny

    • 47
    • 63

    Partly Sunny

    • 46
    • 65

    Partly Sunny

    • 48
    • 70

    Mostly Sunny

Today 16 Jul North Oregon Cascades

Sunny. Free air freezing level 16000 feet. Pass Winds east 5 to 10 Mph.

Tonight 16 Jul North Oregon Cascades

Clear. Free air freezing level 16000 feet. Winds light.

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  • Temperature Real-Time

Trillium Lake Temperature Statistics

July Temperature

The Dalles Municipal Airport (36.7 miles)

  • Lowest 6 July, 2025

    56.6 °F

  • Average July

    77.9 °F

  • Highest 13 July, 2025

    100.9 °F

Climate (2020–Present)

The Dalles Municipal Airport (36.7 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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