Roscoe Weather Forecast
- 69
- 94
Slight Chance Thunderstorms
- 60
- 81
Mostly Sunny
- 63
- 84
Mostly Sunny
- 65
- 86
Chance Rain Showers
- 63
- 83
Chance Rain Showers
- 61
- 83
Chance Thunderstorms
Today 27 Jul Winnebago
Mostly cloudy late in the Morning, then becoming partly cloudy. A slight chance of Showers and Thunderstorms late in the morning. A slight chance of Showers and Thunderstorms late. Hot. Highs in the mid 90s. Southwest Winds 10 to 15 Mph, increasing to 15 to 20 Mph with Gusts up to 25 Mph in the afternoon. Chance of precipitation 20 percent. Heat index Values up to 114.
Tonight 27 Jul Winnebago
Mostly clear in the Evening, then becoming partly cloudy. A slight chance of Showers and Thunderstorms early in the evening. Humid with Lows in the upper 60s. Northwest Winds 10 to 15 Mph, becoming north after midnight. Chance of precipitation 20 percent. Heat index Values up to 100 early in the evening.
Roscoe Temperature Statistics
July Temperature
Janesville-Rock County (14.3 miles)
Lowest 22 July, 2026
50 °FAverage July
74.2 °FHighest 14 July, 2026
95 °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
60.4 °F