Union Grove Weather Forecast

    • 39
    • 53

    Rain Showers

    • 37
    • 47

    Rain Showers Likely

    • 33
    • 48

    Chance Rain Showers

    • 32
    • 48

    Mostly Cloudy

    • 36
    • 54

    Partly Sunny

    • 35
    • 54

    Mostly Sunny

Today 3 Nov Union

Showers. Much cooler with Highs in the mid 50s. Temperature falling into the upper 40s. North Winds around 20 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 3 Nov Union

Showers, cooler with Lows in the upper 30s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

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  • Temperature Real-Time

Union Grove Temperature Statistics

November Temperature

Yankton, Chan Gurney Municipal Airport (30.4 miles)

  • Lowest 1 November, 2026

    55 °F

  • Average November

    59.2 °F

  • Highest 1 November, 2026

    63 °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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