Roscoe Weather Forecast

    • 60
    • 81

    Partly Sunny

    • 68
    • 83

    Rain Showers Likely

    • 56
    • 80

    Rain Showers Likely

    • 52
    • 74

    Mostly Sunny

    • 60
    • 81

    Chance Thunderstorms

    • 57
    • 83

    Slight Chance Rain Showers

    • 57
    • 79

    Chance Rain Showers

Today 7 Sep Winnebago

Partly cloudy. Near steady temperature in the upper 70s. Southeast Winds 5 to 10 Mph.

Tonight 7 Sep Winnebago

Partly cloudy late in the Evening, then becoming mostly cloudy. Lows around 60. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Roscoe Temperature Statistics

September Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 5 September, 2026

    64.4 °F

  • Average September

    76.1 °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

    40.3 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.3 °F
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