Whitewater Weather Forecast

    • 67
    • 75

    Rain Showers

    • 71
    • 85

    Chance Rain Showers

    • 72
    • 88

    Slight Chance Thunderstorms

    • 70
    • 88

    Chance Thunderstorms

    • 67
    • 88

    Chance Rain Showers

    • 64
    • 84

    Chance Rain Showers

Today 29 Aug Walworth

Light Showers likely late in the morning and early Afternoon, then chance of light Showers late in the afternoon. Near steady temperature in the mid 70s. South Winds 5 to 10 Mph. Chance of Showers 70 percent.

Tonight 29 Aug Walworth

Mostly cloudy. Chance of light Showers through around Midnight, then chance of light Showers and slight chance of Thunderstorms after midnight. Lows in the upper 60s. South Winds 5 to 15 Mph. Chance of precipitation 50 percent.

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Whitewater Temperature Statistics

August Temperature

Janesville-Rock County (21.1 miles)

  • Lowest 24 August, 2026

    50 °F

  • Average August

    67.9 °F

  • Highest 4 August, 2026

    84.2 °F

Climate (2021–2026)

Janesville-Rock County (21.1 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.3 °F
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