Mill Lake Weather Forecast
- 31
- 43
Mostly Sunny
- 30
- 47
Sunny
- 36
- 48
Mostly Sunny
- 39
- 52
Mostly Sunny
- 36
- 51
Rain/Snow Likely
- 25
- 40
Snow Showers Likely
Today 6 Oct Sun Valley Region
Sunny. Not as cool. Highs 48 to 58.
Tonight 6 Oct Sun Valley Region
Mostly clear. Lows 26 to 36.
Mill Lake Temperature Statistics
October Temperature
Hailey, Friedman Memorial Airport (25.5 miles)
Lowest 4 October, 2025
37.4 °FAverage October
50 °FHighest 2 October, 2025
66.2 °F
Climate (2020–Present)
Hailey, Friedman Memorial Airport (25.5 miles)
Average Low 2020–2025
33.9 °FAverage 2020–2025
42.2 °FAverage High 2020–2025
55.9 °F