Sugar River Forest Preserve Weather Forecast
- 62
- 85
Chance Thunderstorms
- 62
- 83
Mostly Sunny
- 65
- 87
Mostly Sunny
- 67
- 87
Slight Chance Thunderstorms
- 73
- 91
Chance Rain Showers
- 70
- 90
Chance Thunderstorms
- 63
- 85
Chance Rain Showers
Today 30 Jun Winnebago
Partly cloudy. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. Northwest Winds around 5 Mph, increasing to around 10 Mph in the afternoon. Chance of precipitation 30 percent.
Tonight 30 Jun Winnebago
Mostly cloudy early in the Evening, then becoming clear. A chance of Showers and Thunderstorms early in the evening. Lows in the lower 60s. Northwest Winds 5 to 10 Mph. Chance of precipitation 30 percent.
Sugar River Forest Preserve Temperature Statistics
June Temperature
Janesville-Rock County (14.3 miles)
Lowest 1 June, 2025
42.8 °FAverage June
68.5 °FHighest 23 June, 2025
93.2 °F
Climate (2020–Present)
Janesville-Rock County (14.3 miles)
Average Low 2020–2025
40.5 °FAverage 2020–2025
48.8 °FAverage High 2020–2025
60.3 °F