Wahtum Lake Weather Forecast

    • 61
    • 73

    Sunny

    • 65
    • 77

    Sunny

    • 65
    • 80

    Partly Sunny

    • 63
    • 78

    Mostly Sunny

    • 62
    • 79

    Mostly Sunny

    • 61
    • 78

    Mostly Sunny

Today 21 Aug North Oregon Cascades

Sunny. Free air freezing level 15000 feet. Winds light.

Tonight 21 Aug North Oregon Cascades

Clear. Free air freezing level 15000 feet. Pass Winds east 5 to 10 Mph.

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Wahtum Lake Temperature Statistics

August Temperature

Portland, Portland-Troutdale Airport (29.8 miles)

  • Lowest 8 August, 2025

    50.6 °F

  • Average August

    70.4 °F

  • Highest 10 August, 2025

    100.7 °F

Climate (2020–Present)

Portland, Portland-Troutdale Airport (29.8 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    56 °F

  • Average High 2020–2025

    65.1 °F
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