Canyon Ferry Lake Weather Forecast
- 40
- 43
Rain
- 29
- 48
Snow
- 29
- 41
Partly Sunny
- 39
- 43
Chance Rain/Snow
- 36
- 46
Chance Rain/Snow
- 38
- 45
Mostly Cloudy
Today 18 Dec Canyon Ferry Area
Mostly cloudy. Slight chance of snow early in the afternoon. Chance of snow late in the afternoon. Highs in the upper 30s. South Winds 5 to 20 Mph. Gusts up to 35 Mph in the afternoon. Chance of snow 50 percent.
Tonight 18 Dec Canyon Ferry Area
Breezy. Mostly cloudy with a 50 percent chance of rain and snow. Lows in the mid 30s. South Winds 15 to 25 Mph with Gusts to around 45 Mph.
Canyon Ferry Lake Temperature Statistics
December Temperature
Helena Regional Airport (25.5 miles)
Lowest 1 December, 2025
3 °FAverage December
35.4 °FHighest 10 December, 2025
61 °F
Climate (2020–Present)
Helena Regional Airport (25.5 miles)
Average Low 2020–2025
36.3 °FAverage 2020–2025
47.7 °FAverage High 2020–2025
59.5 °F