Roscoe Weather Forecast

    • 63
    • 81

    Rain Showers

    • 62
    • 86

    Chance Rain Showers

    • 63
    • 85

    Chance Rain Showers

    • 66
    • 86

    Rain Showers Likely

    • 67
    • 88

    Chance Thunderstorms

    • 69
    • 92

    Slight Chance Thunderstorms

Today 5 Jun Winnebago

Mostly cloudy. Showers with a chance of Thunderstorms in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the lower 80s. Southwest Winds 15 to 20 Mph with Gusts up to 25 Mph. Chance of precipitation 90 percent.

Tonight 5 Jun Winnebago

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Showers late in the evening. A chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the lower 60s. Southwest Winds 5 to 10 Mph. Chance of precipitation 30 percent.

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Roscoe Temperature Statistics

June Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 2 June, 2026

    46.4 °F

  • Average June

    61.7 °F

  • Highest 2 June, 2026

    80.6 °F

Climate (2021–Present)

Janesville-Rock County (14.3 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    60.4 °F
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