Lake Yankton Weather Forecast
- 44
- 64
Rain Showers
- 40
- 56
Rain Showers
- 42
- 56
Rain Showers
- 47
- 61
Slight Chance Rain Showers
- 45
- 66
Partly Sunny
- 52
- 68
Mostly Cloudy
- 53
- 70
Chance Rain Showers
Today 24 Oct Yankton
Mostly cloudy with a 50 percent chance of Showers. Highs in the mid 60s.
Tonight 24 Oct Yankton
Showers, cooler with Lows in the mid 40s. North Winds 5 to 10 Mph. Chance of rain 90 percent.
Lake Yankton Temperature Statistics
October Temperature
Yankton, Chan Gurney Municipal Airport (5.6 miles)
Lowest 17 October, 2026
33.1 °FAverage October
58.8 °FHighest 10 October, 2026
91.9 °F
Climate (2021–2026)
Yankton, Chan Gurney Municipal Airport (5.6 miles)
Average Low 2021–2026
39.5 °FAverage 2021–2026
50.6 °FAverage High 2021–2026
61.8 °F