Roscoe Weather Forecast

    • 68
    • 77

    Rain Showers

    • 70
    • 85

    Rain Showers

    • 72
    • 89

    Mostly Cloudy

    • 73
    • 90

    Slight Chance Thunderstorms

    • 68
    • 91

    Chance Rain Showers

    • 65
    • 86

    Chance Rain Showers

    • 65
    • 86

    Partly Sunny

Today 29 Aug Winnebago

Mostly cloudy. Occasional light Sprinkles. Temperatures in the upper 70s. South Winds 10 to 15 Mph. Chance of precipitation 30 percent.

Tonight 29 Aug Winnebago

Mostly cloudy. Occasional light Sprinkles in the evening. Scattered Showers and a slight chance of Thunderstorms after midnight. Lows in the upper 60s. South Winds 10 to 15 Mph. Chance of precipitation 30 percent.

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Roscoe Temperature Statistics

August Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 24 August, 2026

    50 °F

  • Average August

    67.9 °F

  • Highest 4 August, 2026

    84.2 °F

Climate (2021–2026)

Janesville-Rock County (14.3 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.3 °F
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