Prineville Reservoir Weather Forecast

    • 44
    • 67

    Rain Showers Likely

    • 38
    • 66

    Chance Rain Showers

    • 34
    • 61

    Mostly Sunny

    • 42
    • 66

    Mostly Cloudy

    • 35
    • 62

    Partly Sunny

    • 40
    • 70

    Mostly Sunny

    • 45
    • 79

    Mostly Sunny

Today 25 Apr Ochoco-John Day Highlands

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the 60s. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 25 Apr Ochoco-John Day Highlands

Rain Showers likely and a chance of Thunderstorms in the Evening, then rain Showers likely overnight. Lows in the upper 30s to lower 40s. Chance of precipitation 70 percent. Rainfall Amounts up to a half of an inch Possible, except higher Amounts possible in Thunderstorms.

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Prineville Reservoir Temperature Statistics

April Temperature

Prineville Airport (14.3 miles)

  • Lowest 4 April, 2025

    21.2 °F

  • Average April

    45.3 °F

  • Highest 10 April, 2025

    73.4 °F

Climate (2020–Present)

Prineville Airport (14.3 miles)

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  • Average Low 2020–2025

    34.1 °F

  • Average 2020–2025

    49.2 °F

  • Average High 2020–2025

    62.6 °F
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