Johnson Creek Reservoir Weather Forecast
- 30
- 49
Mostly Sunny
- 37
- 63
Increasing Clouds
- 30
- 59
Partly Sunny
- 33
- 58
Mostly Cloudy
- 45
- 63
Mostly Cloudy
- 37
- 64
Chance Rain
- 34
- 57
Mostly Cloudy
Today 27 Oct Ochoco-John Day Highlands
Mostly sunny. Highs in the 40s.
Tonight 27 Oct Ochoco-John Day Highlands
Mostly clear. Lows in the lower 20s to lower 30s.
Johnson Creek Reservoir Temperature Statistics
October Temperature
Prineville Airport (8.1 miles)
Lowest 16 October, 2025
24.8 °FAverage October
48.6 °FHighest 7 October, 2025
77 °F
Climate (2020–Present)
Prineville Airport (8.1 miles)
Average Low 2020–2025
34.3 °FAverage 2020–2025
49.4 °FAverage High 2020–2025
62.8 °F