Ainsworth State Park Weather Forecast

    • 41
    • 53

    Mostly Cloudy

    • 42
    • 54

    Partly Sunny

    • 47
    • 55

    Mostly Cloudy

    • 45
    • 55

    Mostly Cloudy

    • 47
    • 56

    Chance Rain

    • 45
    • 55

    Rain Likely

Today 31 Oct West Columbia River Gorge I-84 Corridor

Partly sunny. Highs in the mid 50s. Northeast wind 10 to 15 Mph.

Tonight 31 Oct West Columbia River Gorge I-84 Corridor

Mostly cloudy. Lows in the lower 40s. Winds light.

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Ainsworth State Park Temperature Statistics

October Temperature

Portland, Portland-Troutdale Airport (17.4 miles)

  • Lowest 24 October, 2026

    31.6 °F

  • Average October

    56.8 °F

  • Highest 4 October, 2026

    83.6 °F

Climate (2021–2026)

Portland, Portland-Troutdale Airport (17.4 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.3 °F
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