Goldendale Observatory State Park Weather Forecast

    • 37
    • 62

    Increasing Clouds

    • 33
    • 61

    Mostly Sunny

    • 42
    • 61

    Rain

    • 37
    • 54

    Rain Likely

    • 35
    • 57

    Partly Sunny

    • 37
    • 58

    Partly Sunny

Today 16 Oct Simcoe Highlands

Sunny. Areas of frost in the morning. Highs in the lower to mid 60s. Gusts up to 20 Mph in the afternoon.

Tonight 16 Oct Simcoe Highlands

Mostly cloudy. Lows in the mid 30s to lower 40s. West wind 5 to 15 Mph with Gusts to around 30 Mph.

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Goldendale Observatory State Park Temperature Statistics

October Temperature

The Dalles Municipal Airport (22.4 miles)

  • Lowest 6 October, 2025

    39.9 °F

  • Average October

    57.1 °F

  • Highest 6 October, 2025

    75.9 °F

Climate (2020–Present)

The Dalles Municipal Airport (22.4 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    56.3 °F

  • Average High 2020–2025

    66.8 °F
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