Hartington Weather Forecast

    • 60
    • 77

    Slight Chance Thunderstorms

    • 59
    • 81

    Rain Showers Likely

    • 57
    • 83

    Chance Thunderstorms

    • 56
    • 83

    Chance Thunderstorms

    • 56
    • 82

    Slight Chance Thunderstorms

    • 57
    • 83

    Slight Chance Thunderstorms

Today 29 May Cedar

Cloudy with a chance of Showers with a slight chance of Thunderstorms. Not as warm. Near steady temperature in the mid 70s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 29 May Cedar

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Lows around 60. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hartington Temperature Statistics

May Temperature

Yankton, Chan Gurney Municipal Airport (21.1 miles)

  • Lowest 6 May, 2026

    30 °F

  • Average May

    61 °F

  • Highest 25 May, 2026

    93 °F

Climate (2021–Present)

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

    61.9 °F
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