Union Grove Weather Forecast

    • 60
    • 89

    Slight Chance Rain Showers

    • 55
    • 77

    Chance Rain Showers

    • 64
    • 88

    Mostly Sunny

    • 55
    • 84

    Slight Chance Thunderstorms

    • 52
    • 73

    Mostly Cloudy

    • 52
    • 75

    Slight Chance Thunderstorms

Today 10 Jun Union

Sunny. Near steady temperature in the upper 80s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 10 Jun Union

Mostly clear in the Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the upper 50s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming east around 5 Mph after midnight. Chance of rain 30 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

    74.5 °F

  • Highest 6 June, 2026

    91.9 °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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