Roscoe Weather Forecast

    • 67
    • 84

    Chance Thunderstorms

    • 66
    • 82

    Thunderstorms Likely

    • 62
    • 83

    Chance Rain Showers

    • 57
    • 78

    Mostly Cloudy

    • 57
    • 75

    Chance Rain Showers

    • 60
    • 76

    Chance Rain Showers

Today 10 Aug Winnebago

Mostly cloudy. A slight chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the mid 80s. Northeast Winds around 5 Mph, becoming southeast in the afternoon. Chance of precipitation 20 percent.

Tonight 10 Aug Winnebago

Mostly cloudy. A slight chance of Thunderstorms after midnight. A slight chance of Showers. A slight chance of Thunderstorms late. Some Thunderstorms may be severe with damaging Winds, large Hail, and heavy rainfall after midnight. Some Thunderstorms may produce heavy rainfall late. Near steady temperature in the lower 70s. Southeast Winds around 5 Mph. Chance of precipitation 20 percent.

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Roscoe Temperature Statistics

August Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 3 August, 2026

    53.6 °F

  • Average August

    68.5 °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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