Eighteenmile Island Weather Forecast

    • 53
    • 74

    Mostly Cloudy

    • 52
    • 79

    Mostly Cloudy

    • 48
    • 65

    Rain Likely

    • 44
    • 57

    Rain Likely

    • 43
    • 66

    Mostly Sunny

    • 45
    • 72

    Mostly Sunny

Today 19 Apr Eastern Columbia River Gorge of Oregon

Mostly cloudy. Highs in the lower to mid 70s. East wind 5 to 15 Mph.

Tonight 19 Apr Eastern Columbia River Gorge of Oregon

Mostly cloudy. Lows in the lower to mid 50s. Northeast wind 5 to 10 Mph in the Evening, becoming light.

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Eighteenmile Island Temperature Statistics

April Temperature

The Dalles Municipal Airport (13 miles)

  • Lowest 16 April, 2026

    34 °F

  • Average April

    54.3 °F

  • Highest 6 April, 2026

    81.6 °F

Climate (2021–Present)

The Dalles Municipal Airport (13 miles)

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  • Average Low 2021–2026

    46.5 °F

  • Average 2021–2026

    56.6 °F

  • Average High 2021–2026

    67 °F
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