Roscoe Weather Forecast

    • 57
    • 84

    Rain Showers Likely

    • 48
    • 71

    Mostly Sunny

    • 51
    • 73

    Partly Sunny

    • 53
    • 75

    Rain Showers Likely

    • 58
    • 77

    Rain Showers

    • 55
    • 76

    Slight Chance Thunderstorms

Today 13 Jun Winnebago

Mostly sunny in the Morning, then becoming partly cloudy. A chance of Showers and Thunderstorms late. Highs in the lower 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 50 percent.

Tonight 13 Jun Winnebago

A chance of Thunderstorms in the evening. Showers until early morning. A slight chance of Thunderstorms after midnight. Lows in the mid 50s. Northwest Winds 5 to 10 Mph. Chance of precipitation 80 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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