Roscoe Weather Forecast

    • 54
    • 71

    Chance Rain Showers

    • 58
    • 71

    Rain Showers

    • 53
    • 72

    Partly Sunny

    • 53
    • 72

    Mostly Sunny

    • 56
    • 76

    Partly Sunny

    • 57
    • 77

    Chance Thunderstorms

Today 16 Jun Winnebago

Partly cloudy. A chance of Showers with a slight chance of Thunderstorms early in the morning. A slight chance of Showers in the late morning and early afternoon. Breezy with Highs in the lower 70s. Southwest Winds 15 to 20 Mph, becoming west in the afternoon. Gusts up to 30 Mph. Chance of precipitation 40 percent.

Tonight 16 Jun Winnebago

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Showers and Thunderstorms late. Lows in the lower 50s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming south around 5 Mph after midnight. Chance of precipitation 20 percent.

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Roscoe Temperature Statistics

June Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 3 June, 2026

    44.6 °F

  • Average June

    68.1 °F

  • Highest 4 June, 2026

    87.8 °F

Climate (2021–Present)

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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