Roscoe Weather Forecast

    • 69
    • 89

    Chance Thunderstorms

    • 64
    • 83

    Rain Showers Likely

    • 62
    • 83

    Partly Sunny

    • 62
    • 84

    Partly Sunny

    • 65
    • 86

    Mostly Sunny

    • 67
    • 88

    Mostly Sunny

    • 69
    • 90

    Mostly Sunny

Today 8 Jul Winnebago

Partly cloudy. Highs in the upper 80s. Southwest Winds around 5 Mph, increasing to south in the afternoon.

Tonight 8 Jul Winnebago

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Showers and Thunderstorms after midnight. Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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Roscoe Temperature Statistics

July Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 6 July, 2026

    60.8 °F

  • Average July

    73.3 °F

  • Highest 1 July, 2026

    91.4 °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

    60.3 °F
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