South Beloit Weather Forecast

    • 33
    • 53

    Mostly Sunny

    • 44
    • 50

    Rain

    • 30
    • 55

    Chance Rain

    • 21
    • 35

    Mostly Cloudy

    • 16
    • 31

    Mostly Cloudy

Today 23 Nov Winnebago

Sunny. Highs in the lower 50s. West Winds around 5 Mph.

Tonight 23 Nov Winnebago

Clear in the Evening, then becoming partly cloudy. Lows in the lower 30s. South Winds around 5 Mph.

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South Beloit Temperature Statistics

November Temperature

Janesville-Rock County (8.7 miles)

  • Lowest 10 November, 2025

    19.4 °F

  • Average November

    40.3 °F

  • Highest 15 November, 2025

    69.8 °F

Climate (2020–Present)

Janesville-Rock County (8.7 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    60.4 °F
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