Roscoe Weather Forecast

    • 71
    • 89

    Chance Thunderstorms

    • 68
    • 91

    Chance Thunderstorms

    • 61
    • 85

    Partly Sunny

    • 58
    • 82

    Partly Sunny

    • 61
    • 82

    Mostly Cloudy

    • 69
    • 86

    Chance Rain Showers

    • 64
    • 87

    Chance Rain Showers

Today 3 Sep Winnebago

Partly cloudy. A slight chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. South Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 3 Sep Winnebago

Mostly clear in the Evening, then becoming partly cloudy. A chance of Showers and Thunderstorms late. Lows in the lower 70s. Southeast Winds around 5 Mph. Chance of precipitation 30 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Roscoe Temperature Statistics

September Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 1 September, 2026

    69.8 °F

  • Average September

    77.4 °F

  • Highest 1 September, 2026

    91.4 °F

Climate (2021–2026)

Janesville-Rock County (14.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.3 °F
Get WillyWeather+ to remove ads