Whitewater Weather Forecast

    • 44
    • 64

    Slight Chance Rain Showers

    • 37
    • 56

    Partly Sunny

    • 34
    • 54

    Partly Sunny

    • 32
    • 51

    Partly Sunny

    • 37
    • 55

    Partly Sunny

    • 41
    • 62

    Chance Rain Showers

    • 43
    • 65

    Chance Rain Showers

Today 28 Apr Walworth

Partly sunny. West Winds 5 to 10 Mph.

Tonight 28 Apr Walworth

Mostly cloudy with a 30 percent chance of light rain Showers. Lows in the mid 40s. North Winds up to 10 Mph.

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Whitewater Temperature Statistics

April Temperature

Janesville-Rock County (21.1 miles)

  • Lowest 7 April, 2026

    23 °F

  • Average April

    47.9 °F

  • Highest 17 April, 2026

    78.8 °F

Climate (2021–Present)

Janesville-Rock County (21.1 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    60.4 °F
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