Goldendale Observatory State Park Weather Forecast

    • 53
    • 90

    Becoming Sunny

    • 52
    • 86

    Mostly Sunny

    • 52
    • 85

    Sunny

    • 53
    • 85

    Mostly Sunny

    • 53
    • 83

    Mostly Sunny

    • 56
    • 84

    Mostly Sunny

    • 57
    • 86

    Mostly Sunny

Today 8 Aug Simcoe Highlands

Sunny. Highs in the upper 80s to lower 90s.

Tonight 8 Aug Simcoe Highlands

Mostly clear. Lows in the lower 50s to lower 60s. West wind 5 to 15 Mph with Gusts to around 35 Mph in the Evening, becoming light.

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Goldendale Observatory State Park Temperature Statistics

August Temperature

The Dalles Municipal Airport (22.4 miles)

  • Lowest 4 August, 2026

    50.6 °F

  • Average August

    72.6 °F

  • Highest 6 August, 2026

    100.9 °F

Climate (2021–2026)

The Dalles Municipal Airport (22.4 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    66.8 °F
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