Roscoe Weather Forecast

    • 63
    • 83

    Mostly Cloudy

    • 61
    • 81

    Partly Sunny

    • 61
    • 82

    Rain Showers Likely

    • 54
    • 77

    Partly Sunny

    • 56
    • 77

    Partly Sunny

    • 59
    • 78

    Chance Rain Showers

Today 16 Aug Winnebago

Mostly cloudy. Patchy fog early in the morning. A slight chance of Showers early in the afternoon. Highs in the lower 80s. West Winds 5 to 10 Mph, increasing to northwest 10 to 15 Mph in the afternoon. Chance of precipitation 20 percent.

Tonight 16 Aug Winnebago

Partly cloudy. Lows in the lower 60s. Northwest Winds 5 to 10 Mph.

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Roscoe Temperature Statistics

August Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 3 August, 2026

    53.6 °F

  • Average August

    69.7 °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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