Painted Hills Reservoir Weather Forecast
- 52
- 75
Increasing Clouds
- 54
- 78
Partly Sunny
- 55
- 80
Partly Sunny
- 55
- 82
Mostly Sunny
- 59
- 85
Partly Sunny
- 56
- 85
Partly Sunny
- 55
- 82
Mostly Sunny
Today 30 Sep John Day Basin
Sunny. Highs in the 70s. Light wind.
Tonight 30 Sep John Day Basin
Partly cloudy. Lows in the mid 40s to lower 50s. North wind 5 to 10 Mph in the Evening, becoming light.
Painted Hills Reservoir Temperature Statistics
September Temperature
Prineville Airport (40.4 miles)
Lowest 28 September, 2026
28.4 °FAverage September
56 °FHighest 9 September, 2026
86 °F
Climate (2021–2026)
Prineville Airport (40.4 miles)
Average Low 2021–2026
34.6 °FAverage 2021–2026
49.6 °FAverage High 2021–2026
62.9 °F