Roscoe Weather Forecast

    • 56
    • 68

    Increasing Clouds

    • 48
    • 66

    Mostly Cloudy

    • 50
    • 66

    Mostly Cloudy

    • 49
    • 64

    Mostly Cloudy

    • 52
    • 68

    Partly Sunny

    • 57
    • 69

    Rain Showers Likely

Today 24 Sep Winnebago

Mostly cloudy. Highs in the upper 60s. East Winds around 5 Mph.

Tonight 24 Sep Winnebago

Mostly cloudy. A slight chance of Showers late. Lows in the mid 50s. East Winds around 5 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Roscoe Temperature Statistics

September Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 14 September, 2026

    42.8 °F

  • Average September

    66.3 °F

  • Highest 1 September, 2026

    91.4 °F

Climate (2021–2026)

Janesville-Rock County (14.3 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.2 °F
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