Wahtum Lake Weather Forecast

    • 55
    • 68

    Increasing Clouds

    • 47
    • 68

    Mostly Sunny

    • 44
    • 56

    Mostly Sunny

    • 54
    • 66

    Mostly Sunny

    • 58
    • 74

    Mostly Sunny

    • 49
    • 72

    Mostly Sunny

Today 18 Jun North Oregon Cascades

Mostly sunny. Free air freezing level 16000 Feet, decreasing to free air freezing level 15000 feet this afternoon. Winds light.

Tonight 18 Jun North Oregon Cascades

Mostly cloudy in the Evening, then becoming partly cloudy. Free air freezing level 15000 feet. Winds light.

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Wahtum Lake Temperature Statistics

June Temperature

Portland, Portland-Troutdale Airport (29.8 miles)

  • Lowest 1 June, 2026

    44.7 °F

  • Average June

    64.9 °F

  • Highest 15 June, 2026

    96.1 °F

Climate (2021–2026)

Portland, Portland-Troutdale Airport (29.8 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.4 °F
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