Union Grove Weather Forecast

    • 49
    • 77

    Increasing Clouds

    • 54
    • 71

    Partly Sunny

    • 65
    • 79

    Sunny

    • 63
    • 82

    Breezy

    • 56
    • 77

    Partly Sunny

    • 49
    • 67

    Chance Rain Showers

Today 7 Oct Union

Sunny. Not as warm with Highs in the upper 70s. Northwest Winds 5 to 10 Mph.

Tonight 7 Oct Union

Partly cloudy. Lows around 50. North Winds around 5 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

    58.6 °F

  • Highest 3 October, 2026

    75.9 °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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