Union Grove Weather Forecast

    • 57
    • 77

    Mostly Cloudy

    • 62
    • 82

    Partly Sunny

    • 71
    • 83

    Slight Chance Thunderstorms

    • 79
    • 98

    Breezy

    • 71
    • 98

    Rain Showers Likely

    • 72
    • 96

    Chance Thunderstorms

    • 73
    • 95

    Chance Thunderstorms

Today 25 Jun Union

Mostly sunny. Highs in the upper 70s. Northeast Winds around 5 Mph.

Tonight 25 Jun Union

Cloudy. Lows in the upper 50s. East Winds around 5 Mph.

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  • Temperature Real-Time

Union Grove Temperature Statistics

June Temperature

Yankton, Chan Gurney Municipal Airport (30.4 miles)

  • Lowest 16 June, 2026

    52 °F

  • Average June

    70.9 °F

  • Highest 9 June, 2026

    95 °F

Climate (2021–2026)

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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