South Beloit Weather Forecast

    • 47
    • 68

    Increasing Clouds

    • 58
    • 71

    Slight Chance Thunderstorms

    • 56
    • 80

    Partly Sunny

    • 56
    • 75

    Partly Sunny

    • 47
    • 74

    Chance Rain Showers

    • 41
    • 61

    Slight Chance Rain Showers

Today 8 Oct Winnebago

Partly cloudy in the Morning, then becoming mostly sunny. Highs in the upper 60s. Northwest Winds 5 to 10 Mph.

Tonight 8 Oct Winnebago

Partly cloudy. Lows in the upper 40s. West Winds around 5 Mph, becoming southeast after midnight.

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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 °F

  • Highest 3 October, 2026

    69.8 °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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