Roscoe Weather Forecast
- 56
- 75
Chance Rain Showers
- 55
- 80
Mostly Sunny
- 60
- 85
Mostly Sunny
- 62
- 86
Chance Rain Showers
- 59
- 83
Chance Rain Showers
- 55
- 82
Partly Sunny
- 52
- 77
Partly Sunny
Today 23 May Winnebago
Mostly cloudy. A slight chance of Showers late in the morning. Highs in the mid 70s. East Winds around 5 Mph. Chance of precipitation 20 percent.
Tonight 23 May Winnebago
Mostly cloudy. A chance of Showers until early morning. A slight chance of Thunderstorms. A slight chance of Showers late. Lows in the mid 50s. Southeast Winds 5 to 10 Mph, becoming southwest after midnight. Chance of precipitation 50 percent.
Roscoe Temperature Statistics
May Temperature
Janesville-Rock County (14.3 miles)
Lowest 2 May, 2026
30.2 °FAverage May
53.6 °FHighest 17 May, 2026
84.2 °F
Climate (2021–Present)
Janesville-Rock County (14.3 miles)
Average Low 2021–2026
40.4 °FAverage 2021–2026
48.7 °FAverage High 2021–2026
60.4 °F