Prineville Reservoir Weather Forecast

    • 53
    • 85

    Slight Chance Thunderstorms

    • 51
    • 82

    Chance Rain Showers

    • 46
    • 75

    Mostly Sunny

    • 49
    • 80

    Partly Sunny

    • 52
    • 82

    Partly Sunny

    • 52
    • 82

    Partly Sunny

Today 2 Aug Ochoco-John Day Highlands

Sunny. A 20 percent chance of Showers and Thunderstorms in the afternoon. Highs in the upper 70s to mid 80s.

Tonight 2 Aug Ochoco-John Day Highlands

Partly cloudy. A 20 percent chance of Showers and Thunderstorms in the evening. Lows in the upper 40s to mid 50s.

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Prineville Reservoir Temperature Statistics

August Temperature

Prineville Airport (14.3 miles)

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Climate (2020–Present)

Prineville Airport (14.3 miles)

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  • Average Low 2020–2025

    34.1 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    62.8 °F
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