Union Grove Weather Forecast

    • 51
    • 77

    Mostly Sunny

    • 49
    • 75

    Mostly Sunny

    • 54
    • 81

    Partly Sunny

    • 60
    • 82

    Chance Thunderstorms

    • 55
    • 86

    Chance Thunderstorms

    • 54
    • 80

    Mostly Sunny

    • 61
    • 87

    Slight Chance Thunderstorms

Today 13 Jun Union

Partly sunny with isolated Showers and Thunderstorms. Not as warm. Near steady temperature in the mid 70s. North Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 13 Jun Union

Mostly clear. Cooler with Lows in the lower 50s. Northwest Winds 10 to 15 Mph. Gusts up to 30 Mph this evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Grove Temperature Statistics

June Temperature

Yankton, Chan Gurney Municipal Airport (30.4 miles)

  • Lowest 1 June, 2026

    60.1 °F
  • Average June

    74.6 °F
  • Highest 9 June, 2026

    95 °F

Climate (2021–Present)

Yankton, Chan Gurney Municipal Airport (30.4 miles)

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  • Average Low 2021–2026

    39.3 °F
  • Average 2021–2026

    50.5 °F
  • Average High 2021–2026

    61.8 °F
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