Swan Valley Weather Forecast
- 42
- 76
Mostly Sunny
- 43
- 78
Mostly Cloudy
- 44
- 77
Partly Sunny
- 39
- 71
Chance Rain Showers
- 37
- 69
Sunny
- 41
- 77
Mostly Sunny
Today 18 Sep Caribou Range
Sunny. Highs 69 to 77.
Tonight 18 Sep Caribou Range
Partly cloudy. Lows 38 to 48.
Swan Valley Temperature Statistics
September Temperature
Driggs, Driggs-Reed Memorial Airport (23 miles)
Lowest 16 September, 2025
34 °FAverage September
59.4 °FHighest 2 September, 2025
86 °F
Climate (2020–Present)
Driggs, Driggs-Reed Memorial Airport (23 miles)
Average Low 2020–2025
28.7 °FAverage 2020–2025
41.1 °FAverage High 2020–2025
53.1 °F