Union Grove Weather Forecast

    • 64
    • 82

    Chance Thunderstorms

    • 68
    • 92

    Chance Thunderstorms

    • 73
    • 98

    Rain Showers Likely

    • 63
    • 97

    Chance Thunderstorms

    • 58
    • 84

    Breezy

    • 59
    • 86

    Slight Chance Thunderstorms

Today 7 Jun Union

Mostly cloudy with a chance of Showers and Thunderstorms. Not as warm. Near steady temperature in the upper 70s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 7 Jun Union

Mostly cloudy. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows in the mid 60s. Southeast Winds 15 to 20 Mph, Diminishing to 5 to 10 Mph after midnight. Chance of rain 20 percent.

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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

    73.7 °F

  • Highest 3 June, 2026

    87.1 °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

    61.9 °F
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