Peterson Creek Reservoir Weather Forecast

    • 37
    • 64

    Increasing Clouds

    • 26
    • 51

    Partly Sunny

    • 30
    • 55

    Mostly Sunny

    • 33
    • 61

    Partly Sunny

    • 37
    • 63

    Mostly Cloudy

    • 41
    • 62

    Chance Rain Showers

Today 18 Oct Ochoco-John Day Highlands

Mostly sunny. Widespread frost in the morning. Highs in the 60s.

Tonight 18 Oct Ochoco-John Day Highlands

Partly cloudy. A 20 percent chance of rain Showers overnight. Lows in the mid 30s to lower 40s. Southwest wind 5 to 15 Mph with Gusts to around 30 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Peterson Creek Reservoir Temperature Statistics

October Temperature

Prineville Airport (37.3 miles)

  • Lowest 6 October, 2025

    26.6 °F

  • Average October

    48.5 °F

  • Highest 7 October, 2025

    77 °F

Climate (2020–Present)

Prineville Airport (37.3 miles)

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  • Average Low 2020–2025

    34.2 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    62.7 °F
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