Fallen Leaf Lake Weather Forecast

    • 51
    • 69

    Sunny

    • 56
    • 76

    Mostly Sunny

    • 50
    • 78

    Partly Sunny

    • 39
    • 64

    Rain Likely

    • 43
    • 64

    Mostly Cloudy

    • 41
    • 59

    Chance Rain

    • 41
    • 60

    Partly Sunny

Today 14 Oct East Clark County Lowlands

Mostly sunny. Highs in the mid 60s.

Tonight 14 Oct East Clark County Lowlands

Clear. Lows in the lower 50s. Northeast wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fallen Leaf Lake Temperature Statistics

October Temperature

Portland, Portland-Troutdale Airport (3.1 miles)

  • Lowest 12 October, 2026

    35.1 °F

  • Average October

    59.8 °F

  • Highest 4 October, 2026

    83.6 °F

Climate (2021–2026)

Portland, Portland-Troutdale Airport (3.1 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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