Roscoe Weather Forecast

    • 68
    • 86

    Becoming Sunny

    • 58
    • 80

    Rain Showers Likely

    • 51
    • 69

    Rain Showers Likely

    • 45
    • 63

    Rain Showers Likely

    • 32
    • 56

    Breezy

    • 36
    • 55

    Mostly Sunny

Today 12 Oct Winnebago

Mostly sunny early in the Afternoon, then becoming partly cloudy. Highs in the mid 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 12 Oct Winnebago

Mostly clear. Lows in the upper 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Roscoe Temperature Statistics

October Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 2 October, 2026

    41 °F

  • Average October

    55.4 °F

  • Highest 10 October, 2026

    82.4 °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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