Peterson Creek Reservoir Weather Forecast
- 32
- 59
Rain/Snow Likely
- 25
- 43
Rain/Snow
- 27
- 50
Mostly Sunny
- 26
- 52
Mostly Sunny
- 26
- 52
Mostly Sunny
- 30
- 52
Partly Sunny
- 31
- 53
Partly Sunny
Today 21 Apr Ochoco-John Day Highlands
Mostly cloudy with a 50 percent chance of rain. Highs in the mid 50s to mid 60s. Rainfall Amounts less than a quarter of an inch.
Tonight 21 Apr Ochoco-John Day Highlands
Rain Showers and a chance of Thunderstorms in the Evening, then a chance of rain and high mountain snow overnight. High mountain snow accumulation up to 1 inch. Lows in the lower to mid 30s. West wind 5 to 15 Mph overnight. Gusts up to 30 Mph. Chance of precipitation near 100 percent.
Peterson Creek Reservoir Temperature Statistics
April Temperature
Prineville Airport (37.3 miles)
Lowest 3 April, 2026
17.6 °FAverage April
47.9 °FHighest 5 April, 2026
75.2 °F
Climate (2021–Present)
Prineville Airport (37.3 miles)
Average Low 2021–2026
34.7 °FAverage 2021–2026
49.7 °FAverage High 2021–2026
63.1 °F