Lake Yankton Weather Forecast

    • 25
    • 53

    Breezy

    • 28
    • 49

    Mostly Sunny

    • 41
    • 63

    Breezy

    • 45
    • 79

    Partly Sunny

    • 46
    • 73

    Mostly Cloudy

    • 42
    • 77

    Chance Rain

Today 26 Mar Yankton

Mostly cloudy this Morning, then becoming partly sunny. Windy and much cooler with Highs in the lower 50s. North Winds 20 to 30 Mph with Gusts up to 45 Mph.

Tonight 26 Mar Yankton

Mostly cloudy in the Evening, then clearing. Breezy and much cooler with Lows in the mid 20s. North Winds 15 to 25 Mph with Gusts up to 35 Mph, becoming northwest 10 to 15 Mph with Gusts up to 25 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Yankton Temperature Statistics

March Temperature

Yankton, Chan Gurney Municipal Airport (5.6 miles)

  • Lowest 16 March, 2026

    1.9 °F

  • Average March

    41.4 °F

  • Highest 21 March, 2026

    91.9 °F

Climate (2021–Present)

Yankton, Chan Gurney Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    50.4 °F

  • Average High 2021–2026

    61.8 °F
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