Wahtum Lake Weather Forecast

    • 37
    • 51

    Rain

    • 40
    • 44

    Chance Rain/Snow

    • 44
    • 51

    Mostly Cloudy

    • 43
    • 57

    Breezy

    • 37
    • 47

    Chance Rain

    • 36
    • 47

    Partly Sunny

Today 25 May North Oregon Cascades

Mostly cloudy. A chance of rain in the afternoon. Snow level 6500 feet. Pass Winds southwest 15 to 20 Mph. Gusts up to 40 Mph in the afternoon. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 25 May North Oregon Cascades

Mostly cloudy with a chance of rain. A chance of snow after midnight. Snow level 4500 feet. No snow accumulation. Pass Winds southwest 10 to 15 Mph. Gusts up to 40 Mph in the evening. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an inch.

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Wahtum Lake Temperature Statistics

May Temperature

Portland, Portland-Troutdale Airport (29.8 miles)

  • Lowest 15 May, 2026

    44.7 °F

  • Average May

    61.4 °F

  • Highest 3 May, 2026

    91.7 °F

Climate (2021–Present)

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

    65.3 °F
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