Cascade Highlands Weather Forecast

    • 58
    • 78

    Increasing Clouds

    • 56
    • 77

    Partly Sunny

    • 58
    • 81

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

    • 58
    • 87

    Sunny

    • 59
    • 91

    Sunny

Today 17 Aug Inner Vancouver Metro

Mostly cloudy this Morning, then becoming partly sunny. Highs in the upper 70s. Light and variable Winds, becoming light this afternoon.

Tonight 17 Aug Inner Vancouver Metro

Mostly cloudy. Lows in the upper 50s. Winds light.

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Cascade Highlands Temperature Statistics

August Temperature

Portland, Portland International Airport (4.3 miles)

  • Lowest 8 August, 2025

    54.6 °F

  • Average August

    71.9 °F

  • Highest 10 August, 2025

    99.6 °F

Climate (2020–Present)

Portland, Portland International Airport (4.3 miles)

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  • Average Low 2020–2025

    48.3 °F

  • Average 2020–2025

    56.1 °F

  • Average High 2020–2025

    65.2 °F
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