Roscoe Weather Forecast
- 62
- 69
Chance Rain Showers
- 58
- 76
Chance Rain Showers
- 61
- 76
Rain Showers
- 59
- 79
Rain Showers
- 56
- 72
Chance Rain Showers
- 55
- 71
Chance Rain Showers
Today 16 Sep Winnebago
Mostly cloudy. A slight chance of Showers. Highs in the lower 70s. East Winds 5 to 10 Mph. Chance of precipitation 20 percent.
Tonight 16 Sep Winnebago
Mostly cloudy. A slight chance of Showers early in the Evening, then a chance of Showers with a slight chance of Thunderstorms in the late evening and overnight. Lows in the lower 60s. East Winds 5 to 10 Mph. Chance of precipitation 50 percent.
Roscoe Temperature Statistics
September Temperature
Janesville-Rock County (14.3 miles)
Lowest 14 September, 2026
42.8 °FAverage September
68.3 °FHighest 1 September, 2026
91.4 °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