Trillium Lake Weather Forecast

    • 39
    • 57

    Becoming Sunny

    • 43
    • 66

    Sunny

    • 37
    • 60

    Rain Showers

    • 34
    • 42

    Chance Rain/Snow

    • 35
    • 47

    Partly Sunny

    • 37
    • 56

    Partly Sunny

Today 30 Apr North Oregon Cascades

Sunny. Free air freezing level 8000 Feet, increasing to free air freezing level 10000 feet this afternoon. Winds light.

Tonight 30 Apr North Oregon Cascades

Clear. Free air freezing level 11000 Feet, increasing to free air freezing level 12000 feet after midnight. Winds light.

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  • Temperature Real-Time

Trillium Lake Temperature Statistics

April Temperature

The Dalles Municipal Airport (36.7 miles)

  • Lowest 1 April, 2025

    31.7 °F

  • Average April

    53.9 °F

  • Highest 25 April, 2025

    81.6 °F

Climate (2020–Present)

The Dalles Municipal Airport (36.7 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    56.1 °F

  • Average High 2020–2025

    66.6 °F
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