Walton Lake Weather Forecast

    • 36
    • 53

    Chance Rain Showers

    • 38
    • 58

    Chance Rain Showers

    • 40
    • 57

    Rain Showers Likely

    • 40
    • 60

    Partly Sunny

    • 45
    • 69

    Partly Sunny

    • 50
    • 73

    Partly Sunny

    • 48
    • 74

    Mostly Sunny

Today 4 Sep Ochoco-John Day Highlands

Mostly cloudy with a 20 percent chance of Showers and Thunderstorms. Highs in the upper 50s to lower 60s.

Tonight 4 Sep Ochoco-John Day Highlands

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of rain Showers overnight. Lows in the lower 30s to lower 40s. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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Walton Lake Temperature Statistics

September Temperature

Prineville Airport (29.8 miles)

  • Lowest 2 September, 2026

    44.6 °F

  • Average September

    58.1 °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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