Roscoe Weather Forecast

    • 32
    • 53

    Becoming Sunny

    • 36
    • 56

    Sunny

    • 37
    • 62

    Mostly Sunny

    • 40
    • 66

    Partly Sunny

    • 43
    • 69

    Mostly Sunny

    • 46
    • 71

    Partly Sunny

    • 48
    • 72

    Mostly Cloudy

Today 16 Oct Winnebago

Partly cloudy. Highs in the lower 70s.

Tonight 16 Oct Winnebago

Partly cloudy in the evening then clearing. Isolated rain Showers early in the evening. Widespread frost late. Breezy, cooler. Lows in the lower 30s. North Winds 10 to 15 Mph with Gusts up to 30 Mph, Diminishing to 5 to 10 Mph after midnight. Chance of precipitation 20 percent.

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Roscoe Temperature Statistics

October Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 2 October, 2026

    41 °F

  • Average October

    58.2 °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

    60.1 °F
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