South Beloit Weather Forecast

    • 52
    • 65

    Chance Rain Showers

    • 45
    • 58

    Rain Showers

    • 31
    • 53

    Breezy

    • 39
    • 58

    Sunny

    • 46
    • 64

    Partly Sunny

    • 45
    • 66

    Mostly Cloudy

Today 14 Oct Winnebago

Mostly cloudy. Highs in the upper 60s. Northeast Winds 5 to 10 Mph.

Tonight 14 Oct Winnebago

Mostly cloudy. A chance of Showers late. Lows in the lower 50s. Northeast Winds 5 to 10 Mph. Chance of precipitation 50 percent.

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South Beloit Temperature Statistics

October Temperature

Janesville-Rock County (8.7 miles)

  • Lowest 2 October, 2026

    41 °F

  • Average October

    56 °F

  • Highest 10 October, 2026

    82.4 °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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