Roscoe Weather Forecast

    • 60
    • 79

    Cloudy

    • 51
    • 79

    Partly Sunny

    • 50
    • 79

    Mostly Sunny

    • 57
    • 84

    Mostly Sunny

    • 63
    • 88

    Chance Rain Showers

    • 63
    • 86

    Rain Showers Likely

    • 64
    • 86

    Rain Showers Likely

Today 31 May Winnebago

Mostly cloudy. Temperatures in the upper 70s. East Winds around 5 Mph.

Tonight 31 May Winnebago

Cloudy. A chance of Sprinkles. Lows in the mid 50s. East Winds around 5 Mph.

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  • Temperature Real-Time

Roscoe Temperature Statistics

May Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 2 May, 2026

    30.2 °F

  • Average May

    56.4 °F

  • Highest 26 May, 2026

    87.8 °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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