Fallen Leaf Lake Weather Forecast

    • 50
    • 71

    Increasing Clouds

    • 52
    • 75

    Gradual Clearing

    • 56
    • 83

    Partly Sunny

    • 55
    • 75

    Rain Likely

    • 53
    • 67

    Rain

    • 51
    • 69

    Rain Likely

    • 52
    • 71

    Chance Rain

Today 29 Aug East Clark County Lowlands

Mostly sunny. Highs in the lower 70s. West wind 5 to 10 Mph.

Tonight 29 Aug East Clark County Lowlands

Mostly clear this Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 40s. Northwest wind 5 to 10 Mph, becoming light after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fallen Leaf Lake Temperature Statistics

August Temperature

Portland, Portland-Troutdale Airport (3.1 miles)

  • Lowest 3 August, 2026

    50.6 °F

  • Average August

    71.4 °F

  • Highest 6 August, 2026

    96.7 °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

    56.2 °F

  • Average High 2021–2026

    65.3 °F
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