Union Grove Weather Forecast

    • 43
    • 59

    Decreasing Clouds

    • 46
    • 63

    Mostly Cloudy

    • 41
    • 59

    Rain Showers

    • 34
    • 56

    Sunny

    • 44
    • 63

    Mostly Sunny

    • 45
    • 69

    Partly Sunny

Today 13 Oct Union

Partly sunny. Cooler with Highs around 60. North Winds 5 to 10 Mph.

Tonight 13 Oct Union

Partly cloudy in the Evening, then clearing. Lows in the mid 40s. North Winds 5 to 10 Mph.

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  • Temperature Real-Time

Union Grove Temperature Statistics

October Temperature

Yankton, Chan Gurney Municipal Airport (30.4 miles)

  • Lowest 2 October, 2026

    42.1 °F

  • Average October

    64 °F

  • Highest 10 October, 2026

    91.9 °F

Climate (2021–2026)

Yankton, Chan Gurney Municipal Airport (30.4 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    61.7 °F
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