Hartington Weather Forecast
- 59
- 83
Mostly Sunny
- 63
- 78
Mostly Cloudy
- 64
- 80
Slight Chance Thunderstorms
- 63
- 83
Slight Chance Thunderstorms
- 61
- 82
Slight Chance Thunderstorms
- 63
- 81
Chance Thunderstorms
Today 22 Aug Cedar
Sunny. Highs in the lower 80s. North Winds around 5 Mph.
Tonight 22 Aug Cedar
Partly cloudy. Near steady temperature in the mid 60s. Northwest 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