Wahtum Lake Weather Forecast

    • 33
    • 40

    Rain/Snow

    • 33
    • 36

    Snow Showers

    • 35
    • 43

    Mostly Cloudy

    • 38
    • 49

    Partly Sunny

    • 41
    • 56

    Partly Sunny

    • 44
    • 60

    Mostly Sunny

    • 44
    • 59

    Partly Sunny

Today 15 May North Oregon Cascades

Mostly cloudy with a 20 percent chance of rain. Snow level 5000 feet. Pass Winds west 10 to 15 Mph with Gusts up to 35 Mph.

Tonight 15 May North Oregon Cascades

A slight chance of Thunderstorms. Rain Showers with a chance of snow this Evening, then rain Showers with snow likely after midnight. Snow may be heavy at Times this evening. Snow level 4000 feet. Snow accumulation up to 2 Inches. Pass Winds southwest 10 to 15 Mph. Gusts up to 35 Mph this evening. Chance of precipitation near 100 percent. Rainfall Amounts a tenth to a half of an inch.

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Wahtum Lake Temperature Statistics

May Temperature

Portland, Portland-Troutdale Airport (29.8 miles)

  • Lowest 9 May, 2026

    45.6 °F

  • Average May

    63.3 °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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