Ketchum Weather Forecast
- 20
- 45
Partly Sunny
- 21
- 49
Increasing Clouds
- 23
- 49
Mostly Sunny
- 19
- 49
Sunny
- 22
- 45
Mostly Sunny
- 23
- 47
Sunny
- 24
- 49
Sunny
Today 12 Jan Sun Valley Region
Mostly sunny. Highs 37 to 47.
Tonight 12 Jan Sun Valley Region
Partly cloudy. Lows 20 to 30.
Ketchum Temperature Statistics
January Temperature
Hailey, Friedman Memorial Airport (12.4 miles)
Lowest 9 January, 2026
14 °FAverage January
31.4 °FHighest 2 January, 2026
42.8 °F
Climate (2021–Present)
Hailey, Friedman Memorial Airport (12.4 miles)
Average Low 2021–2026
34.4 °FAverage 2021–2026
42.5 °FAverage High 2021–2026
56.2 °F