Johnson Creek Reservoir Weather Forecast

    • 30
    • 49

    Mostly Sunny

    • 37
    • 63

    Increasing Clouds

    • 30
    • 59

    Partly Sunny

    • 33
    • 58

    Mostly Cloudy

    • 45
    • 63

    Mostly Cloudy

    • 37
    • 64

    Chance Rain

    • 34
    • 57

    Mostly Cloudy

Today 27 Oct Ochoco-John Day Highlands

Mostly sunny. Highs in the 40s.

Tonight 27 Oct Ochoco-John Day Highlands

Mostly clear. Lows in the lower 20s to lower 30s.

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  • Temperature Real-Time

Johnson Creek Reservoir Temperature Statistics

October Temperature

Prineville Airport (8.1 miles)

  • Lowest 16 October, 2025

    24.8 °F
  • Average October

    48.6 °F
  • Highest 7 October, 2025

    77 °F

Climate (2020–Present)

Prineville Airport (8.1 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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