Roscoe Weather Forecast

    • 57
    • 70

    Chance Thunderstorms

    • 54
    • 80

    Partly Sunny

    • 56
    • 76

    Mostly Sunny

    • 58
    • 80

    Chance Thunderstorms

    • 49
    • 71

    Partly Sunny

    • 51
    • 67

    Rain Showers Likely

Today 9 Oct Winnebago

Mostly cloudy. A chance of Thunderstorms in the morning. A chance of Showers. A slight chance of Thunderstorms in the afternoon. Highs around 70. Southeast Winds 5 to 10 Mph. Chance of precipitation 50 percent.

Tonight 9 Oct Winnebago

Clear. Lows in the upper 50s. Southeast Winds around 10 Mph.

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Roscoe Temperature Statistics

October Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 2 October, 2026

    41 °F

  • Average October

    55.1 °F

  • Highest 7 October, 2026

    75.2 °F

Climate (2021–2026)

Janesville-Rock County (14.3 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    60.1 °F
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