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.

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  • Temperature Real-Time

Hartington Temperature Statistics

August Temperature

Yankton, Chan Gurney Municipal Airport (21.1 miles)

  • Lowest 5 August, 2026

    52 °F

  • Average August

    72.9 °F

  • Highest 11 August, 2026

    90 °F

Climate (2021–2026)

Yankton, Chan Gurney Municipal Airport (21.1 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    61.8 °F
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