Horse Heaven Reservoir Weather Forecast

    • 13
    • 43

    Sunny

    • 17
    • 46

    Sunny

    • 32
    • 48

    Rain

    • 33
    • 43

    Rain/Snow

    • 24
    • 39

    Rain Likely

    • 25
    • 37

    Snow Likely

    • 24
    • 39

    Snow Likely

Today 28 Jan Ochoco-John Day Highlands

Sunny. Highs in the upper 30s to mid 40s.

Tonight 28 Jan Ochoco-John Day Highlands

Clear. Lows 13 to 23.

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Horse Heaven Reservoir Temperature Statistics

January Temperature

Prineville Airport (23 miles)

  • Lowest 20 January, 2025

    8.6 °F
  • Average January

    32.1 °F
  • Highest 15 January, 2025

    57.2 °F

Climate (2020–Present)

Prineville Airport (23 miles)

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  • Average Low 2020–2025

    33.9 °F
  • Average 2020–2025

    49.1 °F
  • Average High 2020–2025

    62.6 °F
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