Roscoe Weather Forecast

    • 53
    • 83

    Decreasing Clouds

    • 46
    • 70

    Chance Rain Showers

    • 62
    • 72

    Rain Showers Likely

    • 57
    • 80

    Rain Showers Likely

    • 56
    • 72

    Rain Showers Likely

    • 53
    • 75

    Chance Rain Showers

Today 12 Sep Winnebago

Mostly cloudy in the Morning, then becoming partly cloudy. Highs in the lower 80s. Southwest Winds 10 to 15 Mph, becoming northwest in the afternoon.

Tonight 12 Sep Winnebago

Mostly cloudy. Near steady temperature in the lower 60s. South 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 7 September, 2026

    55.4 °F

  • Average September

    72.2 °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

    60.3 °F
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