Twelve Mile Reservoir Weather Forecast

    • 47
    • 80

    Sunny

    • 51
    • 85

    Sunny

    • 56
    • 92

    Mostly Sunny

    • 56
    • 92

    Partly Sunny

    • 57
    • 91

    Partly Sunny

    • 56
    • 89

    Slight Chance Thunderstorms

Today 20 Aug Ochoco-John Day Highlands

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

Tonight 20 Aug Ochoco-John Day Highlands

Mostly clear. Lows in the mid 40s to lower 50s. Gusts up to 20 Mph in the evening.

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Twelve Mile Reservoir Temperature Statistics

August Temperature

Burns Municipal Airport (47.2 miles)

  • Lowest 8 August, 2025

    32.6 °F

  • Average August

    67.9 °F

  • Highest 12 August, 2025

    97.6 °F

Climate (2020–Present)

Burns Municipal Airport (47.2 miles)

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  • Average Low 2020–2025

    31.9 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    62.3 °F
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