Hartington Weather Forecast

    • 72
    • 92

    Decreasing Clouds

    • 72
    • 94

    Slight Chance Thunderstorms

    • 67
    • 89

    Chance Thunderstorms

    • 67
    • 87

    Chance Thunderstorms

    • 70
    • 90

    Slight Chance Thunderstorms

    • 68
    • 90

    Slight Chance Thunderstorms

Today 29 Aug Cedar

Mostly sunny and breezy with Highs in the lower 90s. Southwest Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 29 Aug Cedar

Mostly cloudy with a slight chance of Showers and Thunderstorms. Breezy, warmer. Near steady temperature in the lower 70s. South Winds 20 to 25 Mph with Gusts up to 35 Mph. Chance of rain 20 percent.

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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

    72.7 °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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