Roscoe Weather Forecast

    • 62
    • 85

    Mostly Cloudy

    • 63
    • 79

    Rain Showers

    • 60
    • 75

    Rain Showers

    • 54
    • 78

    Mostly Sunny

    • 58
    • 81

    Mostly Sunny

    • 63
    • 84

    Slight Chance Rain Showers

    • 61
    • 83

    Chance Rain Showers

Today 30 Jul Winnebago

Mostly cloudy. Temperatures in the mid 80s. South Winds around 5 Mph.

Tonight 30 Jul Winnebago

Mostly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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Roscoe Temperature Statistics

July Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 22 July, 2026

    50 °F

  • Average July

    74.9 °F

  • Highest 14 July, 2026

    95 °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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