Johnson Creek Reservoir Weather Forecast

    • 32
    • 58

    Rain

    • 29
    • 43

    Rain/Snow

    • 37
    • 54

    Rain

    • 28
    • 48

    Rain Likely

    • 27
    • 44

    Chance Rain/Snow

    • 33
    • 48

    Chance Rain/Snow

Today 16 Dec Ochoco-John Day Highlands

Mostly cloudy. Highs in the upper 40s to mid 50s. Southwest wind 5 to 15 Mph in the afternoon. Gusts up to 25 Mph.

Tonight 16 Dec Ochoco-John Day Highlands

A chance of rain in the Evening, then rain overnight. Lows in the upper 20s to lower 30s. Windy. Southwest wind 20 to 30 Mph. Gusts up to 40 Mph increasing to 55 Mph overnight. Chance of precipitation near 100 percent. Rainfall Amounts up to a half of an inch possible.

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Johnson Creek Reservoir Temperature Statistics

December Temperature

Prineville Airport (8.1 miles)

  • Lowest 1 December, 2025

    17.6 °F

  • Average December

    41.9 °F

  • Highest 13 December, 2025

    62.6 °F

Climate (2020–Present)

Prineville Airport (8.1 miles)

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  • Average Low 2020–2025

    34.4 °F

  • Average 2020–2025

    49.5 °F

  • Average High 2020–2025

    62.9 °F
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