Peterson Creek Reservoir Weather Forecast

    • 23
    • 39

    Mostly Cloudy

    • 33
    • 42

    Rain/Snow

    • 31
    • 46

    Rain

    • 32
    • 44

    Rain Likely

    • 31
    • 48

    Chance Rain/Snow

    • 35
    • 49

    Chance Rain

Today 3 Dec Ochoco-John Day Highlands

Mostly cloudy. Patchy freezing fog in the morning. Highs in the upper 30s to lower 40s.

Tonight 3 Dec Ochoco-John Day Highlands

Mostly cloudy. Lows in the 20s.

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  • Temperature Real-Time

Peterson Creek Reservoir Temperature Statistics

December Temperature

Prineville Airport (37.3 miles)

  • Lowest 1 December, 2025

    17.6 °F

  • Average December

    30.2 °F

  • Highest 1 December, 2025

    44.6 °F

Climate (2020–Present)

Prineville Airport (37.3 miles)

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  • Average Low 2020–2025

    34.4 °F

  • Average 2020–2025

    49.5 °F

  • Average High 2020–2025

    62.8 °F
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