Twelve Mile Reservoir Weather Forecast

    • 37
    • 60

    Becoming Sunny

    • 41
    • 69

    Mostly Sunny

    • 45
    • 79

    Mostly Sunny

    • 43
    • 78

    Mostly Sunny

    • 38
    • 69

    Mostly Sunny

    • 34
    • 61

    Partly Sunny

Today 7 Sep Ochoco-John Day Highlands

Partly cloudy in the morning then clearing. Patchy fog in the morning. Highs in the lower to mid 60s.

Tonight 7 Sep Ochoco-John Day Highlands

Mostly clear. Lows in the mid 30s to lower 40s.

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Twelve Mile Reservoir Temperature Statistics

September Temperature

Burns Municipal Airport (47.2 miles)

  • Lowest 4 September, 2026

    39.7 °F

  • Average September

    54.1 °F

  • Highest 1 September, 2026

    82.7 °F

Climate (2021–2026)

Burns Municipal Airport (47.2 miles)

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  • Average Low 2021–2026

    32 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    62.5 °F
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