Wahtum Lake Weather Forecast

    • 33
    • 39

    Mostly Sunny

    • 35
    • 45

    Increasing Clouds

    • 37
    • 42

    Chance Rain

    • 38
    • 42

    Rain Likely

    • 36
    • 41

    Chance Rain

    • 35
    • 42

    Chance Rain

    • 34
    • 42

    Slight Chance Rain

Today 23 Oct North Oregon Cascades

Mostly sunny. Free air freezing level 10000 feet.

Tonight 23 Oct North Oregon Cascades

Mostly clear this Evening, then becoming partly cloudy. Areas of fog this evening. Free air freezing level 9000 Feet, increasing to free air freezing level 10000 feet after midnight. Winds light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Wahtum Lake Temperature Statistics

October Temperature

Portland, Portland-Troutdale Airport (29.8 miles)

  • Lowest 12 October, 2026

    35.7 °F

  • Average October

    59.1 °F

  • Highest 4 October, 2026

    83.6 °F

Climate (2021–2026)

Portland, Portland-Troutdale Airport (29.8 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.3 °F
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