Walton Lake Weather Forecast

    • 42
    • 64

    Increasing Clouds

    • 43
    • 65

    Partly Sunny

    • 45
    • 69

    Partly Sunny

    • 41
    • 66

    Partly Sunny

    • 45
    • 69

    Mostly Sunny

    • 47
    • 72

    Partly Sunny

Today 29 Sep Ochoco-John Day Highlands

Sunny. Highs in the upper 60s to lower 70s. Gusts up to 20 Mph in the afternoon.

Tonight 29 Sep Ochoco-John Day Highlands

Mostly clear. Lows in the mid 30s to mid 40s. Gusts up to 20 Mph in the evening.

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Walton Lake Temperature Statistics

September Temperature

Prineville Airport (29.8 miles)

  • Lowest 14 September, 2026

    32 °F

  • Average September

    56.5 °F

  • Highest 9 September, 2026

    86 °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

    62.9 °F
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