Roscoe Weather Forecast
- 65
- 82
Severe Tstms
- 65
- 83
Chance Thunderstorms
- 61
- 80
Chance Rain Showers
- 60
- 77
Rain Showers Likely
- 64
- 79
Rain Showers Likely
- 60
- 78
Slight Chance Rain Showers
Today 11 Aug Winnebago
Mostly cloudy. Showers and Thunderstorms, mainly in the morning. Some Thunderstorms may be severe until late afternoon. Locally heavy rainfall possible until late afternoon. Humid with Highs in the lower 80s. South Winds around 5 Mph. Chance of precipitation 80 percent.
Tonight 11 Aug Winnebago
Mostly cloudy. Patchy fog. A chance of Showers and Thunderstorms. Near steady temperature in the lower 70s. East Winds around 5 Mph. Chance of precipitation 40 percent.
Roscoe Temperature Statistics
August Temperature
Janesville-Rock County (14.3 miles)
Lowest 3 August, 2026
53.6 °FAverage August
68.5 °FHighest 4 August, 2026
84.2 °F
Climate (2021–2026)
Janesville-Rock County (14.3 miles)
Average Low 2021–2026
40.3 °FAverage 2021–2026
48.7 °FAverage High 2021–2026
60.3 °F