Roscoe Weather Forecast
- 55
- 74
Chance Rain Showers
- 55
- 79
Chance Rain Showers
- 58
- 85
Mostly Sunny
- 60
- 88
Slight Chance Rain Showers
- 58
- 84
Slight Chance Thunderstorms
- 57
- 81
Chance Rain Showers
Today 23 May Winnebago
Mostly cloudy. Highs in the mid 70s. East Winds around 5 Mph.
Tonight 23 May Winnebago
Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms. Lows in the mid 50s. Southeast Winds around 5 Mph. Chance of precipitation 30 percent.
Roscoe Temperature Statistics
May Temperature
Janesville-Rock County (14.3 miles)
Lowest 2 May, 2026
30.2 °FAverage May
53.9 °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