Ainsworth State Park Weather Forecast

    • 59
    • 81

    Becoming Sunny

    • 59
    • 75

    Partly Sunny

    • 57
    • 71

    Partly Sunny

    • 56
    • 71

    Partly Sunny

    • 53
    • 66

    Chance Rain

    • 56
    • 69

    Partly Sunny

Today 25 Aug West Columbia River Gorge I-84 Corridor

Sunny. Highs in the upper 80s. Winds Light, rising to west 10 to 15 Mph this afternoon.

Tonight 25 Aug West Columbia River Gorge I-84 Corridor

Mostly clear. Lows in the upper 50s. Southwest wind 5 to 10 Mph.

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Ainsworth State Park Temperature Statistics

August Temperature

Portland, Portland-Troutdale Airport (17.4 miles)

  • Lowest 3 August, 2026

    50.6 °F

  • Average August

    71.3 °F

  • Highest 6 August, 2026

    96.7 °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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