Union Weather Forecast
- 58
- 79
Mostly Sunny
- 60
- 83
Rain Showers
- 49
- 74
Chance Thunderstorms
- 50
- 72
Mostly Cloudy
- 58
- 75
Rain Showers Likely
- 46
- 75
Chance Thunderstorms
Today 22 Apr Clark
Sunny. Highs in the upper 70s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.
Tonight 22 Apr Clark
Mostly clear. Lows in the upper 50s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.
Union Temperature Statistics
April Temperature
Keokuk Municipal Airport (18 miles)
Lowest 5 April, 2026
33.8 °FAverage April
56.1 °FHighest 17 April, 2026
82.4 °F
Climate (2021–Present)
Keokuk Municipal Airport (18 miles)
Average Low 2021–2026
43.9 °FAverage 2021–2026
53.7 °FAverage High 2021–2026
63.4 °F