Union Grove Weather Forecast

    • 67
    • 91

    Sunny

    • 69
    • 92

    Sunny

    • 73
    • 94

    Mostly Sunny

    • 73
    • 97

    Hot

    • 70
    • 96

    Mostly Sunny

    • 68
    • 93

    Partly Sunny

Today 14 Jul Union

Sunny with Highs in the lower 90s. South Winds 10 to 15 Mph.

Tonight 14 Jul Union

Clear. Lows in the mid 60s. South Winds 5 to 10 Mph.

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Union Grove Temperature Statistics

July Temperature

Yankton, Chan Gurney Municipal Airport (30.4 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 (30.4 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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