Lake Henry Weather Forecast

    • 68
    • 94

    Sunny

    • 71
    • 97

    Hot

    • 70
    • 98

    Hot

    • 70
    • 99

    Hot

    • 72
    • 99

    Hot

    • 75
    • 101

    Hot

Today 11 Jul Bon Homme

Sunny. Highs in the mid 90s. South Winds 5 to 10 Mph.

Tonight 11 Jul Bon Homme

Mostly clear. Lows in the upper 60s. South Winds 5 to 10 Mph.

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Lake Henry Temperature Statistics

July Temperature

Yankton, Chan Gurney Municipal Airport (22.4 miles)

  • Lowest 3 July, 2026

    64.9 °F

  • Average July

    77.7 °F

  • Highest 2 July, 2026

    91 °F

Climate (2021–2026)

Yankton, Chan Gurney Municipal Airport (22.4 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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