Union Grove Weather Forecast
- 51
- 69
Rain Showers Likely
- 42
- 63
Chance Rain Showers
- 43
- 66
Partly Sunny
- 53
- 73
Rain Showers Likely
- 55
- 76
Rain Showers
- 48
- 71
Chance Rain Showers
Today 15 May Union
Mostly cloudy in the Morning, then becoming partly sunny. A chance of Thunderstorms. A chance of Showers. Windy and not as warm with Highs in the lower 70s. South Winds 15 to 25 Mph with Gusts up to 40 Mph, increasing to west 30 to 35 Mph with Gusts up to 50 Mph in the afternoon. Chance of rain 50 percent.
Tonight 15 May Union
Partly cloudy with a slight chance of Showers and Thunderstorms. Windy with Lows in the lower 50s. West Winds 20 to 30 Mph with Gusts up to 45 Mph. Chance of rain 20 percent.
Union Grove Temperature Statistics
May Temperature
Yankton, Chan Gurney Municipal Airport (30.4 miles)
Lowest 3 May, 2025
37.7 °FAverage May
64.9 °FHighest 11 May, 2025
89.1 °F
Climate (2020–Present)
Yankton, Chan Gurney Municipal Airport (30.4 miles)
Average Low 2020–2025
39.1 °FAverage 2020–2025
50.1 °FAverage High 2020–2025
61.4 °F