South Beloit Weather Forecast

    • 61
    • 81

    Mostly Sunny

    • 67
    • 85

    Partly Sunny

    • 53
    • 77

    Chance Rain Showers

    • 51
    • 68

    Rain Showers Likely

    • 47
    • 66

    Chance Rain Showers

    • 38
    • 61

    Mostly Cloudy

Today 11 Oct Winnebago

Sunny. Highs in the lower 80s. South Winds 5 to 10 Mph.

Tonight 11 Oct Winnebago

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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South Beloit Temperature Statistics

October Temperature

Janesville-Rock County (8.7 miles)

  • Lowest 2 October, 2026

    41 °F

  • Average October

    54.8 °F

  • Highest 7 October, 2026

    75.2 °F

Climate (2021–2026)

Janesville-Rock County (8.7 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    60.1 °F
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