Lookout Mountain Management Area Weather Forecast

    • 37
    • 51

    Becoming Sunny

    • 43
    • 59

    Mostly Sunny

    • 52
    • 68

    Mostly Sunny

    • 43
    • 66

    Mostly Sunny

    • 36
    • 58

    Mostly Sunny

    • 36
    • 50

    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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Lookout Mountain Management Area Temperature Statistics

September Temperature

Prineville Airport (26.7 miles)

  • Lowest 5 September, 2026

    35.6 °F

  • Average September

    53.8 °F

  • Highest 1 September, 2026

    80.6 °F

Climate (2021–2026)

Prineville Airport (26.7 miles)

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  • Average Low 2021–2026

    34.6 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    63 °F
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