Prineville Reservoir Weather Forecast

    • 48
    • 78

    Increasing Clouds

    • 44
    • 78

    Mostly Cloudy

    • 27
    • 58

    Partly Sunny

    • 34
    • 61

    Partly Sunny

    • 41
    • 63

    Mostly Cloudy

    • 34
    • 68

    Chance Rain/Snow

Today 19 Mar Ochoco-John Day Highlands

Mostly sunny. Highs in the lower to mid 70s. Southwest wind 5 to 15 Mph with Gusts to around 25 Mph in the afternoon.

Tonight 19 Mar Ochoco-John Day Highlands

Partly cloudy. Lows in the 40s. Gusts up to 25 Mph in the evening.

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Prineville Reservoir Temperature Statistics

March Temperature

Prineville Airport (14.3 miles)

  • Lowest 15 March, 2026

    24.8 °F

  • Average March

    43.9 °F

  • Highest 16 March, 2026

    73.4 °F

Climate (2021–Present)

Prineville Airport (14.3 miles)

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  • Average Low 2021–2026

    34.5 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    63 °F
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