Barnes Butte Reservoir Weather Forecast

    • 40
    • 73

    Becoming Sunny

    • 44
    • 82

    Sunny

    • 47
    • 85

    Mostly Sunny

    • 50
    • 84

    Partly Sunny

    • 52
    • 85

    Partly Sunny

    • 50
    • 84

    Partly Sunny

Today 15 Sep Central Oregon

Sunny. Highs in the lower 70s. Light wind.

Tonight 15 Sep Central Oregon

Mostly clear. Lows in the lower to mid 40s. Northeast wind 5 to 10 Mph in the Evening, becoming light.

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Barnes Butte Reservoir Temperature Statistics

September Temperature

Prineville Airport (5 miles)

  • Lowest 7 September, 2025

    44.6 °F

  • Average September

    67.8 °F

  • Highest 2 September, 2025

    96.8 °F

Climate (2020–Present)

Prineville Airport (5 miles)

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  • Average Low 2020–2025

    34.3 °F

  • Average 2020–2025

    49.4 °F

  • Average High 2020–2025

    62.8 °F
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