Walton Lake Weather Forecast

    • 45
    • 64

    Chance Rain Showers

    • 44
    • 68

    Rain Showers

    • 34
    • 55

    Chance Rain Showers

    • 31
    • 55

    Mostly Sunny

    • 37
    • 59

    Mostly Sunny

    • 45
    • 68

    Mostly Sunny

Today 27 May Ochoco-John Day Highlands

Mostly cloudy in the Morning, then sunny with a 20 percent chance of Showers and Thunderstorms in the afternoon. Highs in the upper 60s to mid 70s. North wind 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 27 May Ochoco-John Day Highlands

Partly cloudy. Rain Showers likely and a chance of Thunderstorms in the evening. Lows in the upper 30s to upper 40s. Northeast wind 5 to 15 Mph with Gusts to around 30 Mph in the Evening, becoming light. Chance of precipitation 70 percent. Rainfall Amounts less than a quarter of an Inch, except higher Amounts possible in Thunderstorms.

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Walton Lake Temperature Statistics

May Temperature

Prineville Airport (29.8 miles)

  • Lowest 14 May, 2026

    26.6 °F

  • Average May

    57.7 °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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