Lake Yankton Weather Forecast
- 37
- 49
Chance Rain Showers
- 31
- 47
Breezy
- 42
- 59
Breezy
- 42
- 66
Mostly Sunny
- 43
- 67
Mostly Sunny
- 50
- 69
Mostly Sunny
Today 15 Oct Lyon
Cloudy with a 50 percent chance of Showers. Patchy fog. Highs in the lower 50s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.
Tonight 15 Oct Lyon
Mostly cloudy with a 50 percent chance of Showers. Windy with Lows in the upper 30s. Northwest Winds 20 to 30 Mph. Gusts up to 45 Mph after midnight.
Lake Yankton Temperature Statistics
October Temperature
Tracy, Tracy Municipal Airport (12.4 miles)
Lowest 2 October, 2026
39.2 °FAverage October
60.5 °FHighest 10 October, 2026
87.8 °F
Climate (2021–2026)
Tracy, Tracy Municipal Airport (12.4 miles)
Average Low 2021–2026
37.9 °FAverage 2021–2026
47.5 °FAverage High 2021–2026
57.2 °F