Walton Lake Weather Forecast

    • 39
    • 58

    Mostly Sunny

    • 45
    • 67

    Mostly Sunny

    • 51
    • 77

    Mostly Sunny

    • 42
    • 72

    Mostly Sunny

    • 37
    • 63

    Mostly Sunny

    • 36
    • 56

    Chance Rain Showers

    • 37
    • 56

    Mostly Sunny

Today 7 Sep Ochoco-John Day Highlands

Sunny. Highs in the lower to mid 60s.

Tonight 7 Sep Ochoco-John Day Highlands

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

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Walton Lake Temperature Statistics

September Temperature

Prineville Airport (29.8 miles)

  • Lowest 5 September, 2026

    35.6 °F

  • Average September

    53.8 °F

  • Highest 1 September, 2026

    80.6 °F

Climate (2021–2026)

Prineville Airport (29.8 miles)

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  • Average Low 2021–2026

    34.6 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    63 °F
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