Antelope Flat Reservoir Weather Forecast

    • 25
    • 45

    Becoming Sunny

    • 30
    • 53

    Partly Sunny

    • 34
    • 57

    Chance Rain Showers

    • 30
    • 50

    Chance Rain/Snow

    • 28
    • 47

    Slight Chance Rain/Snow

    • 29
    • 49

    Partly Sunny

Today 23 Oct Ochoco-John Day Highlands

Mostly sunny. Widespread frost in the morning. Highs in the mid 40s to lower 50s. Northwest wind 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 23 Oct Ochoco-John Day Highlands

Mostly clear. Widespread frost. Lows 18 to 28.

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Antelope Flat Reservoir Temperature Statistics

October Temperature

Prineville Airport (32.3 miles)

  • Lowest 11 October, 2026

    17.6 °F

  • Average October

    52.4 °F

  • Highest 4 October, 2026

    86 °F

Climate (2021–2026)

Prineville Airport (32.3 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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