Allen Creek Reservoir Weather Forecast

    • 48
    • 76

    Mostly Sunny

    • 48
    • 77

    Partly Sunny

    • 42
    • 72

    Partly Sunny

    • 41
    • 67

    Partly Sunny

    • 43
    • 73

    Partly Sunny

    • 36
    • 63

    Mostly Cloudy

Today 20 Sep Ochoco-John Day Highlands

Sunny. Highs in the mid 70s to lower 80s. Gusts up to 20 Mph in the afternoon.

Tonight 20 Sep Ochoco-John Day Highlands

Mostly clear. Lows in the lower 40s to lower 50s.

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Allen Creek Reservoir Temperature Statistics

September Temperature

Prineville Airport (36.7 miles)

  • Lowest 14 September, 2026

    32 °F

  • Average September

    55.4 °F

  • Highest 9 September, 2026

    86 °F

Climate (2021–2026)

Prineville Airport (36.7 miles)

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  • Average Low 2021–2026

    34.6 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    62.9 °F
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