Swan Lake Weather Forecast
- 46
- 78
Increasing Clouds
- 48
- 80
Mostly Cloudy
- 48
- 77
Slight Chance Thunderstorms
- 42
- 75
Chance Rain Showers
- 41
- 73
Sunny
- 44
- 79
Mostly Sunny
Today 18 Sep Marsh and Arbon Highlands
Sunny. Highs 71 to 80.
Tonight 18 Sep Marsh and Arbon Highlands
Mostly cloudy. Lows 44 to 54.
Swan Lake Temperature Statistics
September Temperature
Logan-Cache Airport (35.4 miles)
Lowest 16 September, 2025
39.9 °FAverage September
67.7 °FHighest 2 September, 2025
91 °F
Climate (2020–Present)
Logan-Cache Airport (35.4 miles)
Average Low 2020–2025
35 °FAverage 2020–2025
48.2 °FAverage High 2020–2025
61.3 °F