Horse Heaven Reservoir Weather Forecast
- 45
- 74
Sunny
- 43
- 79
Rain Showers
- 31
- 52
Rain Showers
- 34
- 58
Mostly Sunny
- 39
- 66
Mostly Sunny
- 44
- 75
Mostly Sunny
- 45
- 79
Mostly Sunny
Today 1 May Ochoco-John Day Highlands
Sunny. Highs in the upper 60s to mid 70s.
Tonight 1 May Ochoco-John Day Highlands
Clear. Lows in the mid 30s to mid 40s.
Horse Heaven Reservoir Temperature Statistics
May Temperature
Prineville Airport (23 miles)
Lowest
–Average May
–Highest
–
Climate (2020–Present)
Prineville Airport (23 miles)
Average Low 2020–2025
34.1 °FAverage 2020–2025
49.2 °FAverage High 2020–2025
62.6 °F