Union Grove Weather Forecast

    • 59
    • 81

    Decreasing Clouds

    • 61
    • 86

    Chance Thunderstorms

    • 67
    • 90

    Partly Sunny

    • 65
    • 88

    Chance Thunderstorms

    • 65
    • 88

    Chance Thunderstorms

    • 70
    • 92

    Slight Chance Thunderstorms

Today 4 Jun Union

Mostly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 4 Jun Union

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 50s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to around 5 Mph after midnight.

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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

    72.9 °F

  • Highest 2 June, 2026

    84 °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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