Walton Lake Weather Forecast

    • 31
    • 52

    Becoming Sunny

    • 36
    • 57

    Mostly Sunny

    • 42
    • 64

    Mostly Sunny

    • 47
    • 70

    Partly Sunny

    • 40
    • 63

    Chance Rain Showers

    • 41
    • 65

    Mostly Sunny

Today 30 May Ochoco-John Day Highlands

Partly cloudy in the morning then clearing. Highs in the mid 50s to lower 60s. Gusts up to 20 Mph in the afternoon.

Tonight 30 May Ochoco-John Day Highlands

Mostly clear. Lows in the upper 20s to mid 30s. Northwest wind 5 to 15 Mph in the Evening, becoming light.

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Walton Lake Temperature Statistics

May Temperature

Prineville Airport (29.8 miles)

  • Lowest 14 May, 2026

    26.6 °F

  • Average May

    57.5 °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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