Horse Heaven Reservoir Weather Forecast
- 52
- 88
Sunny
- 58
- 94
Increasing Clouds
- 58
- 92
Partly Sunny
- 49
- 86
Partly Sunny
- 50
- 82
Partly Sunny
- 48
- 82
Mostly Sunny
- 50
- 85
Mostly Sunny
Today 29 Jun Ochoco-John Day Highlands
Sunny. Highs in the 80s.
Tonight 29 Jun Ochoco-John Day Highlands
Clear. Lows in the upper 40s to mid 50s.
Horse Heaven Reservoir Temperature Statistics
June Temperature
Prineville Airport (23 miles)
Lowest 1 June, 2025
32 °FAverage June
62.2 °FHighest 9 June, 2025
95 °F
Climate (2020–Present)
Prineville Airport (23 miles)
Average Low 2020–2025
34 °FAverage 2020–2025
49.2 °FAverage High 2020–2025
62.7 °F