Ainsworth State Park Weather Forecast

    • 57
    • 78

    Mostly Sunny

    • 56
    • 73

    Partly Sunny

    • 56
    • 73

    Mostly Sunny

    • 57
    • 75

    Mostly Sunny

    • 56
    • 77

    Mostly Sunny

    • 50
    • 65

    Chance Rain

Today 4 Oct West Columbia River Gorge I-84 Corridor

Sunny. Highs in the mid 80s. Northeast wind 10 to 15 Mph.

Tonight 4 Oct West Columbia River Gorge I-84 Corridor

Mostly clear. Lows in the upper 50s. Winds light.

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Ainsworth State Park Temperature Statistics

October Temperature

Portland, Portland-Troutdale Airport (17.4 miles)

  • Lowest 1 October, 2026

    48 °F

  • Average October

    63.1 °F

  • Highest 1 October, 2026

    81 °F

Climate (2021–2026)

Portland, Portland-Troutdale Airport (17.4 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    56.2 °F

  • Average High 2021–2026

    65.2 °F
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