Logan Reservoir Weather Forecast

    • 19
    • 43

    Partly Sunny

    • 20
    • 43

    Partly Sunny

    • 20
    • 46

    Partly Sunny

    • 14
    • 42

    Mostly Sunny

    • 17
    • 42

    Mostly Sunny

    • 22
    • 45

    Mostly Cloudy

    • 23
    • 46

    Mostly Cloudy

Today 20 Jan Ochoco-John Day Highlands

Mostly sunny. Highs in the lower to mid 40s.

Tonight 20 Jan Ochoco-John Day Highlands

Partly cloudy. Lows 14 to 23.

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Logan Reservoir Temperature Statistics

January Temperature

Prineville Airport (52.8 miles)

  • Lowest 16 January, 2026

    19.4 °F

  • Average January

    38 °F

  • Highest 14 January, 2026

    62.6 °F

Climate (2021–Present)

Prineville Airport (52.8 miles)

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  • Average Low 2021–2026

    34.5 °F

  • Average 2021–2026

    49.5 °F

  • Average High 2021–2026

    62.9 °F
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