Johnson Creek Reservoir Weather Forecast

    • 43
    • 75

    Increasing Clouds

    • 47
    • 76

    Mostly Cloudy

    • 41
    • 76

    Mostly Cloudy

    • 26
    • 55

    Mostly Cloudy

    • 34
    • 59

    Partly Sunny

    • 41
    • 62

    Mostly Cloudy

    • 35
    • 67

    Chance Rain

Today 18 Mar Ochoco-John Day Highlands

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

Tonight 18 Mar Ochoco-John Day Highlands

Mostly clear. Lows in the upper 30s to mid 40s. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Creek Reservoir Temperature Statistics

March Temperature

Prineville Airport (8.1 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 (8.1 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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