Prineville Reservoir Weather Forecast

    • 47
    • 85

    Increasing Clouds

    • 51
    • 89

    Mostly Cloudy

    • 51
    • 90

    Partly Sunny

    • 45
    • 83

    Mostly Sunny

    • 48
    • 84

    Sunny

    • 53
    • 89

    Mostly Sunny

Today 17 Jun Ochoco-John Day Highlands

Sunny. Highs in the mid 70s to lower 80s. Northwest wind 5 to 15 Mph with Gusts to around 25 Mph in the afternoon.

Tonight 17 Jun Ochoco-John Day Highlands

Mostly clear. Lows in the 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 7 June, 2026

    30.2 °F

  • Average June

    57.5 °F

  • Highest 2 June, 2026

    82.4 °F

Climate (2021–2026)

Prineville Airport (14.3 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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