Roscoe Weather Forecast
- 68
- 80
Thunderstorms Likely
- 66
- 83
Rain Showers Likely
- 64
- 83
Rain Showers Likely
- 60
- 81
Chance Thunderstorms
- 56
- 76
Slight Chance Thunderstorms
- 54
- 74
Chance Thunderstorms
Today 9 Aug Winnebago
Mostly cloudy. Showers and Thunderstorms Likely, mainly in the morning. Humid with Highs in the lower 80s. South Winds 5 to 10 Mph, increasing to 10 to 15 Mph in the afternoon. Chance of precipitation 60 percent.
Tonight 9 Aug Winnebago
Mostly clear. Near steady temperature in the lower 60s. South Winds around 5 Mph.
Roscoe Temperature Statistics
August Temperature
Janesville-Rock County (14.3 miles)
Lowest 3 August, 2026
53.6 °FAverage August
67.9 °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