Walton Lake Weather Forecast

    • 44
    • 64

    Mostly Sunny

    • 49
    • 71

    Mostly Sunny

    • 51
    • 76

    Sunny

    • 53
    • 77

    Partly Sunny

    • 52
    • 76

    Partly Sunny

    • 47
    • 70

    Partly Sunny

    • 45
    • 65

    Partly Sunny

Today 15 Sep Ochoco-John Day Highlands

Sunny. Patchy fog in the morning. Highs in the mid 60s to lower 70s.

Tonight 15 Sep Ochoco-John Day Highlands

Mostly clear. Lows in the mid 30s to mid 40s.

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Walton Lake Temperature Statistics

September Temperature

Prineville Airport (29.8 miles)

  • Lowest 7 September, 2025

    44.6 °F

  • Average September

    67.8 °F

  • Highest 2 September, 2025

    96.8 °F

Climate (2020–Present)

Prineville Airport (29.8 miles)

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  • Average Low 2020–2025

    34.3 °F

  • Average 2020–2025

    49.4 °F

  • Average High 2020–2025

    62.8 °F
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