Walton Lake Weather Forecast

    • 41
    • 64

    Mostly Sunny

    • 45
    • 69

    Mostly Sunny

    • 44
    • 73

    Mostly Sunny

    • 43
    • 71

    Partly Sunny

    • 33
    • 59

    Chance Snow Showers

    • 34
    • 48

    Chance Snow Showers

Today 21 May Ochoco-John Day Highlands

Sunny. Highs in the mid 60s to mid 70s.

Tonight 21 May Ochoco-John Day Highlands

Partly cloudy. Lows in the mid 30s to lower 40s.

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Walton Lake Temperature Statistics

May Temperature

Prineville Airport (29.8 miles)

  • Lowest 14 May, 2026

    26.6 °F

  • Average May

    57.1 °F

  • Highest 12 May, 2026

    87.8 °F

Climate (2021–Present)

Prineville Airport (29.8 miles)

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  • Average Low 2021–2026

    34.7 °F

  • Average 2021–2026

    49.8 °F

  • Average High 2021–2026

    63.2 °F
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