Roscoe Weather Forecast

    • 49
    • 78

    Mostly Sunny

    • 58
    • 84

    Partly Sunny

    • 53
    • 76

    Partly Sunny

    • 55
    • 80

    Partly Sunny

    • 54
    • 82

    Mostly Sunny

    • 56
    • 81

    Mostly Sunny

Today 28 May Winnebago

Mostly sunny. Highs in the upper 70s. Northeast Winds 10 to 15 Mph.

Tonight 28 May Winnebago

Partly cloudy. Lows in the upper 40s. East Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Roscoe Temperature Statistics

May Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 2 May, 2026

    30.2 °F

  • Average May

    55.5 °F

  • Highest 26 May, 2026

    87.8 °F

Climate (2021–Present)

Janesville-Rock County (14.3 miles)

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

  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.4 °F
Get WillyWeather+ to remove ads