Union Grove Weather Forecast

    • 20
    • 42

    Mostly Sunny

    • 21
    • 42

    Mostly Sunny

    • 27
    • 42

    Partly Sunny

    • 30
    • 45

    Partly Sunny

    • 36
    • 50

    Mostly Sunny

    • 43
    • 51

    Mostly Cloudy

    • 45
    • 55

    Chance Rain Showers

Today 12 Nov Union

Mostly cloudy in the Morning, then becoming mostly sunny. A 40 percent chance of Showers. Highs in the mid 50s.

Tonight 12 Nov Union

Mostly clear. Lows in the lower 20s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Grove Temperature Statistics

November Temperature

Yankton, Chan Gurney Municipal Airport (30.4 miles)

  • Lowest 7 November, 2026

    28.9 °F

  • Average November

    48.5 °F

  • Highest 2 November, 2026

    73 °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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