Hartington Weather Forecast

    • 74
    • 92

    Increasing Clouds

    • 69
    • 93

    Chance Thunderstorms

    • 67
    • 91

    Chance Thunderstorms

    • 64
    • 86

    Partly Sunny

    • 62
    • 85

    Mostly Sunny

    • 65
    • 87

    Mostly Sunny

    • 60
    • 87

    Chance Rain Showers

Today 16 Aug Cedar

Sunny. Near steady temperature in the lower 90s. South Winds 5 to 10 Mph. Heat index Values up to 111.

Tonight 16 Aug Cedar

Partly cloudy. Lows in the mid 70s. South Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hartington Temperature Statistics

August Temperature

Yankton, Chan Gurney Municipal Airport (21.1 miles)

  • Lowest 2 August, 2025

    57.7 °F

  • Average August

    72.9 °F

  • Highest 8 August, 2025

    89.7 °F

Climate (2020–Present)

Yankton, Chan Gurney Municipal Airport (21.1 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    50 °F

  • Average High 2020–2025

    61.3 °F
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