Darien Weather Forecast
- 62
- 85
Slight Chance Thunderstorms
- 63
- 83
Sunny
- 64
- 85
Mostly Sunny
- 66
- 86
Partly Sunny
- 72
- 90
Chance Rain Showers
- 70
- 89
Chance Thunderstorms
- 64
- 84
Chance Rain Showers
Today 30 Jun Walworth
Mostly sunny with a 20 percent chance of light Showers and Thunderstorms. Northwest Winds 5 to 10 Mph.
Tonight 30 Jun Walworth
Partly cloudy through around midnight then clearing. Lows in the lower 60s. Northwest Winds 5 to 10 Mph.
Darien Temperature Statistics
June Temperature
Janesville-Rock County (16.8 miles)
Lowest 1 June, 2025
42.8 °FAverage June
68.5 °FHighest 23 June, 2025
93.2 °F
Climate (2020–Present)
Janesville-Rock County (16.8 miles)
Average Low 2020–2025
40.5 °FAverage 2020–2025
48.8 °FAverage High 2020–2025
60.3 °F