Whitewater Weather Forecast

    • 33
    • 37

    Slight Chance Rain/Snow

    • 25
    • 42

    Mostly Cloudy

    • 36
    • 42

    Chance Rain

    • 38
    • 49

    Chance Rain

    • 31
    • 48

    Mostly Cloudy

    • 21
    • 45

    Mostly Cloudy

Today 22 Dec Walworth

Not as cold. Cloudy. Slight chance of light snow in the Morning, then slight chance of light rain in the late morning and afternoon. Highs in the upper 30s. South Winds 5 to 15 Mph. Chance of precipitation 20 percent.

Tonight 22 Dec Walworth

Mostly cloudy. Chance of Sprinkles and Flurries through around midnight. Near steady temperature in the mid 30s. Southwest Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Whitewater Temperature Statistics

December Temperature

Janesville-Rock County (21.1 miles)

  • Lowest 14 December, 2025

    -7.6 °F

  • Average December

    18.9 °F

  • Highest 18 December, 2025

    46.4 °F

Climate (2020–Present)

Janesville-Rock County (21.1 miles)

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

  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    60.2 °F
Get WillyWeather+ to remove ads