South Beloit Weather Forecast

    • 18
    • 42

    Gradual Clearing

    • 21
    • 25

    Mostly Cloudy

    • 29
    • 33

    Wintry Mix Likely

    • 14
    • 37

    Partly Sunny

    • 21
    • 29

    Chance Snow

    • 17
    • 34

    Snow Likely

    • 11
    • 29

    Mostly Cloudy

Today 3 Feb Winnebago

Patchy fog late in the morning. Cloudy. Highs in the mid 40s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 3 Feb Winnebago

Mostly cloudy until early Morning, then becoming partly cloudy. Lows around 18. North Winds 10 to 15 Mph with Gusts up to 20 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

South Beloit Temperature Statistics

February Temperature

Janesville-Rock County (8.7 miles)

  • Lowest 1 February, 2025

    21.2 °F

  • Average February

    29.1 °F

  • Highest 1 February, 2025

    33.8 °F

Climate (2020–Present)

Janesville-Rock County (8.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    60.2 °F
Get WillyWeather+ to remove ads