Roscoe Weather Forecast
- 56
- 69
Rain Showers
- 52
- 73
Slight Chance Thunderstorms
- 54
- 75
Mostly Sunny
- 56
- 79
Mostly Cloudy
- 56
- 75
Chance Thunderstorms
- 54
- 76
Slight Chance Rain Showers
Today 17 Jun Winnebago
A slight chance of Thunderstorms in the morning. Showers. A chance of Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall late in the morning. Some Thunderstorms may be severe with heavy rainfall in the afternoon. Locally heavy rainfall possible early in the afternoon. Highs around 70. Southeast Winds 15 to 20 Mph with Gusts up to 25 Mph, Diminishing to 10 to 15 Mph in the afternoon. Chance of precipitation near 100 percent.
Tonight 17 Jun Winnebago
Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Showers early in the evening. Breezy with Lows in the mid 50s. West Winds 10 to 15 Mph, increasing to 15 to 20 Mph with Gusts up to 30 Mph after midnight. Chance of precipitation 40 percent.
Roscoe Temperature Statistics
June Temperature
Janesville-Rock County (14.3 miles)
Lowest 3 June, 2026
44.6 °FAverage June
67.7 °FHighest 4 June, 2026
87.8 °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