Ainsworth State Park Weather Forecast

    • 55
    • 70

    Increasing Clouds

    • 52
    • 63

    Chance Rain Showers

    • 54
    • 67

    Partly Sunny

    • 57
    • 74

    Partly Sunny

    • 56
    • 66

    Chance Rain

    • 55
    • 60

    Rain Likely

Today 28 Aug West Columbia River Gorge I-84 Corridor

Mostly sunny. Highs in the upper 70s. Southwest wind 15 to 20 Mph.

Tonight 28 Aug West Columbia River Gorge I-84 Corridor

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the mid 50s. Southwest wind 10 to 15 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

    71.5 °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

    65.3 °F
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