Marks Lake Weather Forecast
- 28
- 46
Becoming Sunny
- 34
- 54
Partly Sunny
- 35
- 57
Chance Rain Showers
- 32
- 49
Chance Rain Showers
- 30
- 46
Partly Sunny
- 30
- 48
Partly Sunny
Today 23 Oct Ochoco-John Day Highlands
Mostly sunny. Widespread frost in the morning. Highs in the mid 40s to lower 50s. Northwest wind 5 to 15 Mph with Gusts to around 30 Mph.
Tonight 23 Oct Ochoco-John Day Highlands
Mostly clear. Widespread frost. Lows 18 to 28.
Marks Lake Temperature Statistics
October Temperature
Prineville Airport (26.1 miles)
Lowest 11 October, 2026
17.6 °FAverage October
52.4 °FHighest 4 October, 2026
86 °F
Climate (2021–2026)
Prineville Airport (26.1 miles)
Average Low 2021–2026
34.6 °FAverage 2021–2026
49.6 °FAverage High 2021–2026
63 °F