Hartington Weather Forecast
- 64
- 86
Mostly Sunny
- 59
- 84
Mostly Sunny
- 63
- 78
Mostly Cloudy
- 65
- 81
Slight Chance Thunderstorms
- 63
- 83
Slight Chance Thunderstorms
- 61
- 82
Slight Chance Thunderstorms
- 62
- 80
Chance Thunderstorms
Today 21 Aug Cedar
Sunny. Near steady temperature in the mid 80s. Northeast Winds around 5 Mph.
Tonight 21 Aug Cedar
Partly cloudy. Lows in the lower 60s. North Winds around 5 Mph.
Hartington Temperature Statistics
August Temperature
Yankton, Chan Gurney Municipal Airport (21.1 miles)
Lowest 5 August, 2026
52 °FAverage August
72.9 °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