Roscoe Weather Forecast

    • 44
    • 73

    Mostly Sunny

    • 47
    • 73

    Becoming Sunny

    • 49
    • 72

    Partly Sunny

    • 50
    • 71

    Mostly Cloudy

    • 50
    • 73

    Mostly Cloudy

    • 45
    • 66

    Mostly Cloudy

    • 43
    • 61

    Slight Chance Rain Showers

Today 21 Oct Winnebago

Mostly cloudy in the Morning, then becoming partly cloudy. Highs in the lower 60s.

Tonight 21 Oct Winnebago

Mostly clear. Patchy fog after midnight. Lows in the mid 40s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Roscoe Temperature Statistics

October Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 17 October, 2026

    32 °F

  • Average October

    55.4 °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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