Walton Lake Weather Forecast

    • 32
    • 50

    Increasing Clouds

    • 35
    • 55

    Increasing Clouds

    • 35
    • 56

    Partly Sunny

    • 39
    • 60

    Mostly Sunny

    • 39
    • 62

    Partly Sunny

    • 41
    • 64

    Partly Sunny

    • 36
    • 58

    Partly Sunny

Today 25 Sep Ochoco-John Day Highlands

Sunny. Highs in the mid 50s to lower 60s.

Tonight 25 Sep Ochoco-John Day Highlands

Mostly clear in the Evening, becoming mostly cloudy. Lows in the upper 20s to mid 30s. 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

    56.8 °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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