Canyon Ferry Lake Weather Forecast
- 55
- 72
Mostly Sunny
- 54
- 74
Partly Sunny
- 53
- 71
Mostly Sunny
- 52
- 70
Mostly Sunny
- 53
- 69
Mostly Sunny
- 52
- 72
Partly Sunny
- 42
- 62
Chance Rain
Today 4 Oct Canyon Ferry Area
Cooler. Partly sunny with a 50 percent chance of rain and snow. Highs around 50.
Tonight 4 Oct Canyon Ferry Area
Mostly clear. Lows 46 to 52. Southeast Winds up to 10 Mph.
Canyon Ferry Lake Temperature Statistics
October Temperature
Helena Regional Airport (25.5 miles)
Lowest 2 October, 2026
44.1 °FAverage October
56.7 °FHighest 2 October, 2026
77 °F
Climate (2021–2026)
Helena Regional Airport (25.5 miles)
Average Low 2021–2026
36.4 °FAverage 2021–2026
47.9 °FAverage High 2021–2026
59.9 °F