Prineville Reservoir Weather Forecast

    • 43
    • 80

    Decreasing Clouds

    • 46
    • 80

    Sunny

    • 44
    • 80

    Sunny

    • 42
    • 79

    Mostly Sunny

    • 39
    • 66

    Chance Rain Showers

    • 39
    • 60

    Chance Rain Showers

Today 16 Jun Ochoco-John Day Highlands

Mostly cloudy. A 20 percent chance of Showers and Thunderstorms in the afternoon. Highs in the mid to upper 70s. Gusts up to 20 Mph in the afternoon.

Tonight 16 Jun Ochoco-John Day Highlands

Mostly clear. Lows in the upper 30s to mid 40s. Northwest wind 5 to 15 Mph with Gusts to around 25 Mph in the Evening, becoming light.

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Prineville Reservoir Temperature Statistics

June Temperature

Prineville Airport (14.3 miles)

  • Lowest 1 June, 2025

    32 °F

  • Average June

    63.8 °F

  • Highest 9 June, 2025

    95 °F

Climate (2020–Present)

Prineville Airport (14.3 miles)

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  • Average Low 2020–2025

    34 °F

  • Average 2020–2025

    49.2 °F

  • Average High 2020–2025

    62.7 °F
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