Walton Lake Weather Forecast

    • 43
    • 75

    Increasing Clouds

    • 42
    • 66

    Partly Sunny

    • 37
    • 61

    Rain Showers

    • 34
    • 51

    Chance Rain Showers

    • 37
    • 58

    Mostly Sunny

    • 40
    • 61

    Mostly Sunny

    • 44
    • 67

    Mostly Sunny

Today 10 Sep Ochoco-John Day Highlands

Sunny. Highs in the upper 70s to lower 80s.

Tonight 10 Sep Ochoco-John Day Highlands

Mostly clear. Lows in the lower to mid 40s. Gusts up to 25 Mph in the evening.

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Walton Lake Temperature Statistics

September Temperature

Prineville Airport (29.8 miles)

  • Lowest 5 September, 2026

    35.6 °F

  • Average September

    54.3 °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

    62.9 °F
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