Roscoe Weather Forecast

    • 57
    • 74

    Rain Showers

    • 58
    • 78

    Partly Sunny

    • 62
    • 80

    Partly Sunny

    • 63
    • 81

    Partly Sunny

    • 65
    • 82

    Chance Thunderstorms

    • 64
    • 82

    Chance Thunderstorms

Today 5 Aug Winnebago

Mostly cloudy. Showers with Thunderstorms likely in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the mid 70s. West Winds around 5 Mph. Chance of precipitation 90 percent.

Tonight 5 Aug Winnebago

Mostly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Lows in the upper 50s. North Winds around 5 Mph in the Evening, becoming light and variable. Chance of precipitation 50 percent.

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Roscoe Temperature Statistics

August Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 2 August, 2026

    60.8 °F

  • Average August

    66.3 °F

  • Highest 2 August, 2026

    80.6 °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

    60.4 °F
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