Roscoe Weather Forecast

    • 74
    • 93

    Slight Chance Thunderstorms

    • 70
    • 89

    Rain Showers Likely

    • 69
    • 88

    Chance Thunderstorms

    • 65
    • 85

    Slight Chance Thunderstorms

    • 63
    • 84

    Slight Chance Thunderstorms

    • 62
    • 83

    Mostly Cloudy

    • 66
    • 83

    Chance Rain Showers

Today 2 Sep Winnebago

Partly cloudy. Temperatures in the lower 90s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values up to 101.

Tonight 2 Sep Winnebago

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Showers and Thunderstorms after midnight. Humid. Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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Roscoe Temperature Statistics

September Temperature

Janesville-Rock County (14.3 miles)

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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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