Wahtum Lake Weather Forecast

    • 47
    • 57

    Slight Chance Rain Showers

    • 50
    • 62

    Mostly Sunny

    • 51
    • 65

    Mostly Sunny

    • 56
    • 69

    Mostly Sunny

    • 63
    • 74

    Mostly Cloudy

    • 61
    • 73

    Partly Sunny

Today 16 Jul North Oregon Cascades

Mostly sunny. A slight chance of Thunderstorms this morning. Free air freezing level 13000 feet. Pass Winds west 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 16 Jul North Oregon Cascades

Partly cloudy in the Evening, then becoming mostly clear. Free air freezing level 14000 feet. Pass Winds west 5 to 10 Mph.

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Wahtum Lake Temperature Statistics

July Temperature

Portland, Portland-Troutdale Airport (29.8 miles)

  • Lowest 13 July, 2026

    51.1 °F

  • Average July

    69.2 °F

  • Highest 6 July, 2026

    89.7 °F

Climate (2021–2026)

Portland, Portland-Troutdale Airport (29.8 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.2 °F
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