Ainsworth State Park Weather Forecast

    • 58
    • 73

    Increasing Clouds

    • 58
    • 72

    Partly Sunny

    • 63
    • 84

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

    • 56
    • 71

    Slight Chance Rain

    • 56
    • 70

    Partly Sunny

Today 22 Aug West Columbia River Gorge I-84 Corridor

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

Tonight 22 Aug West Columbia River Gorge I-84 Corridor

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Lows in the upper 50s. Southwest wind 15 to 20 Mph. Chance of rain 20 percent.

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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

    71.6 °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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