Roscoe Weather Forecast

    • 52
    • 73

    Decreasing Clouds

    • 56
    • 76

    Mostly Sunny

    • 56
    • 78

    Chance Rain Showers

    • 54
    • 73

    Rain Showers Likely

    • 52
    • 74

    Partly Sunny

    • 56
    • 78

    Partly Sunny

Today 18 Jun Winnebago

Mostly cloudy in the Morning, then becoming partly cloudy. Highs in the lower 70s. Northwest Winds 10 to 15 Mph. Gusts up to 25 Mph in the morning.

Tonight 18 Jun Winnebago

Mostly clear. Lows in the lower 50s. West Winds 5 to 10 Mph.

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Roscoe Temperature Statistics

June Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 3 June, 2026

    44.6 °F

  • Average June

    67.2 °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

    60.4 °F
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