Hartington Weather Forecast
- 72
- 85
Chance Thunderstorms
- 73
- 93
Decreasing Clouds
- 71
- 94
Slight Chance Thunderstorms
- 67
- 88
Chance Thunderstorms
- 67
- 87
Chance Thunderstorms
- 70
- 90
Slight Chance Thunderstorms
- 68
- 90
Slight Chance Thunderstorms
Today 28 Aug Cedar
Sunny. Near steady temperature in the mid 80s. South Winds around 20 Mph with Gusts up to 30 Mph.
Tonight 28 Aug Cedar
Mostly cloudy. A slight chance of Showers and Thunderstorms early this Evening, then a chance of Showers and Thunderstorms. Breezy, warmer with Lows in the lower 70s. South Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain 50 percent.
Hartington Temperature Statistics
August Temperature
Yankton, Chan Gurney Municipal Airport (21.1 miles)
Lowest 5 August, 2026
52 °FAverage August
72.7 °FHighest 11 August, 2026
90 °F
Climate (2021–2026)
Yankton, Chan Gurney Municipal Airport (21.1 miles)
Average Low 2021–2026
39.3 °FAverage 2021–2026
50.5 °FAverage High 2021–2026
61.8 °F