Hartington Weather Forecast

    • 44
    • 68

    Rain Showers

    • 49
    • 73

    Partly Sunny

    • 57
    • 83

    Mostly Sunny

    • 60
    • 90

    Mostly Sunny

    • 59
    • 86

    Partly Sunny

    • 59
    • 83

    Slight Chance Thunderstorms

Today 22 May Cedar

A chance of Thunderstorms. Showers, mainly this morning. Breezy with Highs in the upper 60s. Southeast Winds 15 to 25 Mph, becoming southwest this afternoon. Chance of rain near 100 percent.

Tonight 22 May Cedar

Partly cloudy in the Evening, then becoming mostly clear. Lows in the mid 40s. West Winds 10 to 15 Mph.

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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

    57.9 °F

  • Highest 15 May, 2026

    88 °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

    61.8 °F
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