South Beloit Weather Forecast

    • 23
    • 34

    Snow Showers

    • 18
    • 30

    Mostly Cloudy

    • 18
    • 30

    Snow

    • 23
    • 29

    Snow

    • 0
    • 27

    Slight Chance Snow

    • 0
    • 16

    Slight Chance Snow

    • 7
    • 19

    Partly Sunny

Today 26 Nov Winnebago

Cloudy. Isolated Flurries. Windy. Temperatures in the lower 30s. West Winds 20 to 30 Mph with Gusts up to 50 Mph.

Tonight 26 Nov Winnebago

Mostly cloudy. Windy. Lows in the lower 20s. Northwest Winds 15 to 25 Mph with Gusts up to 40 Mph, becoming 15 to 20 Mph with Gusts up to 30 Mph after midnight.

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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

    39.9 °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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