Union Weather Forecast
- 30
- 54
Mostly Sunny
- 41
- 60
Mostly Sunny
- 55
- 60
Rain Showers
- 62
- 75
Rain Showers
- 57
- 73
Rain Showers
- 47
- 65
Chance Rain Showers
- 52
- 69
Partly Sunny
Today 24 Apr Rock
Sunny. Northeast Winds 5 to 10 Mph.
Tonight 24 Apr Rock
Clear. Widespread frost after midnight. Lows around 30. East Winds 5 to 10 Mph.
Union Temperature Statistics
April Temperature
Janesville-Rock County (19.3 miles)
Lowest 6 April, 2024
28.4 °FAverage April
47.2 °FHighest 14 April, 2024
82.4 °F
Climate (2019–Present)
Janesville-Rock County (19.3 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
40.7 °FAverage 2019–2024
48.8 °FAverage High 2019–2024
59.9 °F