Antelope Flat Reservoir Weather Forecast

    • 47
    • 71

    Mostly Sunny

    • 52
    • 77

    Mostly Sunny

    • 54
    • 83

    Mostly Sunny

    • 54
    • 85

    Mostly Sunny

    • 52
    • 83

    Mostly Sunny

    • 51
    • 81

    Partly Sunny

    • 52
    • 82

    Mostly Sunny

Today 21 Jul Ochoco-John Day Highlands

Mostly cloudy. A chance of rain Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the upper 60s to mid 70s. Gusts up to 20 Mph in the afternoon. Chance of precipitation 50 percent. Rainfall Amounts up to a half of an inch Possible, except higher Amounts possible in Thunderstorms.

Tonight 21 Jul Ochoco-John Day Highlands

Mostly clear. A 20 percent chance of rain Showers in the evening. Lows in the 40s. Gusts up to 20 Mph in the evening.

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Antelope Flat Reservoir Temperature Statistics

July Temperature

Prineville Airport (32.3 miles)

  • Lowest 5 July, 2025

    37.4 °F

  • Average July

    71.1 °F

  • Highest 8 July, 2025

    96.8 °F

Climate (2020–Present)

Prineville Airport (32.3 miles)

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  • Average Low 2020–2025

    34.1 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    62.8 °F
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