Hartington Weather Forecast

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    Slight Chance Thunderstorms

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    • 89

    Slight Chance Thunderstorms

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    • 87

    Chance Thunderstorms

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    • 85

    Chance Thunderstorms

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    Chance Thunderstorms

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    Slight Chance Thunderstorms

Today 8 Aug Cedar

Partly sunny. Highs in the lower 80s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph, increasing to 15 to 20 Mph with Gusts up to 30 Mph in the afternoon.

Tonight 8 Aug Cedar

Mostly cloudy. Near steady temperature around 60. Southeast Winds around 5 Mph.

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Hartington Temperature Statistics

August Temperature

Yankton, Chan Gurney Municipal Airport (21.1 miles)

  • Lowest 5 August, 2026

    52 °F

  • Average August

    70.5 °F

  • Highest 3 August, 2026

    89.1 °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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