Trillium Lake Weather Forecast

    • 38
    • 52

    Mostly Cloudy

    • 34
    • 53

    Rain

    • 28
    • 43

    Chance Snow Showers

    • 27
    • 36

    Snow Showers Likely

    • 31
    • 44

    Partly Sunny

    • 35
    • 51

    Mostly Cloudy

Today 9 Apr North Oregon Cascades

Partly sunny. Free air freezing level 5500 Feet, increasing to free air freezing level 7000 feet this afternoon. Winds light.

Tonight 9 Apr North Oregon Cascades

Mostly cloudy. Free air freezing level 8000 Feet, increasing to free air freezing level 10000 feet after midnight. Winds light.

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Trillium Lake Temperature Statistics

April Temperature

The Dalles Municipal Airport (36.7 miles)

  • Lowest 1 April, 2025

    31.7 °F

  • Average April

    51 °F

  • Highest 5 April, 2025

    69.7 °F

Climate (2020–Present)

The Dalles Municipal Airport (36.7 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    56.1 °F

  • Average High 2020–2025

    66.6 °F
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