Whitewater Weather Forecast

    • 53
    • 72

    Chance Rain Showers

    • 55
    • 79

    Partly Sunny

    • 60
    • 86

    Mostly Sunny

    • 59
    • 88

    Partly Sunny

    • 57
    • 83

    Partly Sunny

    • 55
    • 79

    Partly Sunny

Today 23 May Walworth

Mostly cloudy with chance of Sprinkles in the Morning, then mostly cloudy in the late morning and early afternoon. Partly sunny with slight chance of light rain Showers late in the afternoon. Highs around 70. East Winds around 5 Mph. Chance of Showers 20 percent.

Tonight 23 May Walworth

Mostly cloudy. Chance of light rain Showers through around midnight. Chance of light rain Showers early in the morning. Lows in the lower 50s. East Winds up to 5 Mph shifting to the southwest after midnight. Chance of Showers 50 percent.

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  • Temperature Forecast NOAA

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Whitewater Temperature Statistics

May Temperature

Janesville-Rock County (21.1 miles)

  • Lowest 2 May, 2026

    30.2 °F

  • Average May

    53.9 °F

  • Highest 17 May, 2026

    84.2 °F

Climate (2021–Present)

Janesville-Rock County (21.1 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.4 °F
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