Wahtum Lake Weather Forecast

    • 42
    • 51

    Chance Rain Showers

    • 44
    • 52

    Chance Rain Showers

    • 46
    • 55

    Chance Rain

    • 46
    • 53

    Slight Chance Rain

    • 49
    • 59

    Partly Sunny

    • 53
    • 64

    Partly Sunny

Today 4 Sep North Oregon Cascades

Partly sunny with a chance of rain Showers with a slight chance of Thunderstorms in the Morning, then mostly cloudy with a chance of Thunderstorms in the afternoon. Patchy fog. Snow level 6500 feet. Winds light in the Morning, becoming light and variable. Chance of rain 50 percent. Rainfall Amounts a tenth to a quarter of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 4 Sep North Oregon Cascades

Partly cloudy. A chance of rain Showers, mainly in the evening. Patchy fog. Snow level 7000 feet. Winds light. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an inch.

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Wahtum Lake Temperature Statistics

September Temperature

Portland, Portland-Troutdale Airport (29.8 miles)

  • Lowest 1 September, 2026

    59 °F

  • Average September

    64.7 °F

  • Highest 1 September, 2026

    71.1 °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

    56.2 °F

  • Average High 2021–2026

    65.3 °F
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