Collins Reservoir Weather Forecast

    • 42
    • 67

    Mostly Sunny

    • 46
    • 73

    Partly Sunny

    • 50
    • 77

    Mostly Sunny

    • 51
    • 81

    Sunny

    • 54
    • 83

    Mostly Sunny

    • 55
    • 85

    Partly Sunny

    • 53
    • 83

    Mostly Sunny

Today 1 Jul Ochoco-John Day Highlands

Sunny. Highs in the mid 60s to lower 70s.

Tonight 1 Jul Ochoco-John Day Highlands

Mostly clear. Lows in the mid 30s to lower 40s. Gusts up to 20 Mph in the evening.

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Collins Reservoir Temperature Statistics

July Temperature

Prineville Airport (47.8 miles)

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  • Average July

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Climate (2021–2026)

Prineville Airport (47.8 miles)

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  • Average Low 2021–2026

    34.6 °F

  • Average 2021–2026

    49.7 °F

  • Average High 2021–2026

    63 °F
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