Roscoe Weather Forecast

    • 75
    • 83

    Chance Thunderstorms

    • 77
    • 93

    Mostly Sunny

    • 76
    • 93

    Mostly Sunny

    • 75
    • 93

    Mostly Sunny

    • 73
    • 93

    Chance Thunderstorms

    • 71
    • 91

    Chance Thunderstorms

Today 28 Jun Winnebago

Mostly cloudy. A chance of Showers and Thunderstorms in the afternoon. Highs in the lower 80s. Southeast Winds 10 to 15 Mph. Gusts up to 25 Mph in the afternoon. Chance of precipitation 50 percent.

Tonight 28 Jun Winnebago

Mostly cloudy. A slight chance of Showers and Thunderstorms late in the evening. Humid with Lows in the mid 70s. Southeast Winds 10 to 15 Mph. 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

    64.8 °F

  • Highest 4 June, 2026

    87.8 °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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