Roscoe Weather Forecast

    • 55
    • 83

    Decreasing Clouds

    • 53
    • 70

    Mostly Sunny

    • 59
    • 75

    Partly Sunny

    • 58
    • 79

    Mostly Sunny

    • 64
    • 84

    Mostly Sunny

    • 64
    • 89

    Mostly Sunny

Today 21 Jul Winnebago

Partly cloudy. Highs in the lower 80s. Northwest Winds 15 to 20 Mph with Gusts up to 25 Mph.

Tonight 21 Jul Winnebago

Partly cloudy in the Evening, then becoming mostly clear. Cooler. Less humid with Lows in the mid 50s. North Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to 5 to 10 Mph after midnight.

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Roscoe Temperature Statistics

July Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 12 July, 2026

    53.6 °F

  • Average July

    75 °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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