Roscoe Weather Forecast

    • 57
    • 74

    Increasing Clouds

    • 40
    • 68

    Partly Sunny

    • 46
    • 62

    Chance Rain Showers

    • 49
    • 63

    Chance Rain Showers

    • 50
    • 65

    Chance Rain Showers

    • 48
    • 67

    Rain Showers Likely

Today 28 Oct Winnebago

Mostly sunny. Highs in the lower 70s. South Winds 5 to 10 Mph, increasing to 10 to 15 Mph in the afternoon.

Tonight 28 Oct Winnebago

Mostly clear in the Evening, then becoming partly cloudy. A chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the upper 50s. South Winds 10 to 15 Mph. Chance of precipitation 40 percent.

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Roscoe Temperature Statistics

October Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 17 October, 2026

    32 °F

  • Average October

    54.8 °F

  • Highest 12 October, 2026

    86 °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

    60.2 °F
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