Swan Lake Weather Forecast
- 59
- 78
Becoming Sunny
- 52
- 78
Mostly Sunny
- 59
- 78
Chance Rain Showers
- 63
- 78
Slight Chance Thunderstorms
- 61
- 84
Mostly Sunny
- 57
- 81
Mostly Sunny
- 59
- 81
Mostly Sunny
Today 21 Aug Sibley
Mostly sunny. Highs in the lower 80s. Northwest Winds 5 to 10 Mph.
Tonight 21 Aug Sibley
Mostly clear. Lows in the upper 50s. Northwest Winds up to 10 Mph.
Swan Lake Temperature Statistics
August Temperature
New Ulm Municipal Airport (12.4 miles)
Lowest 5 August, 2026
53.6 °FAverage August
71.6 °FHighest 3 August, 2026
84.2 °F
Climate (2021–2026)
New Ulm Municipal Airport (12.4 miles)
Average Low 2021–2026
37.6 °FAverage 2021–2026
47.3 °FAverage High 2021–2026
57 °F