Cascade Locks Weather Forecast

    • 56
    • 77

    Chance Rain Showers

    • 62
    • 81

    Partly Sunny

    • 60
    • 87

    Sunny

    • 57
    • 81

    Mostly Sunny

    • 56
    • 76

    Mostly Sunny

    • 55
    • 78

    Mostly Sunny

Today 1 May West Columbia River Gorge I-84 Corridor

Mostly sunny. A slight chance of Showers this afternoon. Highs in the mid 70s. West wind 5 to 10 Mph. Chance of rain 20 percent.

Tonight 1 May West Columbia River Gorge I-84 Corridor

Mostly cloudy. A chance of Showers, mainly in the evening. Lows in the lower 50s. Southwest wind 5 to 10 Mph. Chance of rain 40 percent.

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Cascade Locks Temperature Statistics

May Temperature

Portland, Portland-Troutdale Airport (26.1 miles)

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  • Average May

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Climate (2021–Present)

Portland, Portland-Troutdale Airport (26.1 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.3 °F
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