Union Grove Weather Forecast

    • 41
    • 55

    Rain Showers

    • 45
    • 59

    Rain Showers

    • 47
    • 64

    Chance Rain Showers

    • 45
    • 65

    Slight Chance Rain Showers

    • 52
    • 68

    Mostly Cloudy

    • 53
    • 71

    Chance Rain Showers

Today 25 Oct Union

Mostly cloudy. A chance of Showers this morning. Cooler with Highs in the upper 50s. Northeast Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 25 Oct Union

Cloudy. A chance of Showers in the Evening, then Showers after midnight. Lows in the lower 40s. Northeast Winds 10 to 15 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Grove Temperature Statistics

October Temperature

Yankton, Chan Gurney Municipal Airport (30.4 miles)

  • Lowest 17 October, 2026

    33.1 °F

  • Average October

    59.2 °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

    39.5 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    61.8 °F
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