Whitewater Weather Forecast

    • 42
    • 62

    Decreasing Clouds

    • 37
    • 57

    Partly Sunny

    • 34
    • 55

    Mostly Cloudy

    • 32
    • 52

    Partly Sunny

    • 38
    • 56

    Partly Sunny

    • 42
    • 64

    Chance Rain Showers

Today 28 Apr Walworth

Cloudy in the morning then becoming partly sunny. Highs in the lower 60s. West Winds 10 to 20 Mph.

Tonight 28 Apr Walworth

Mostly cloudy. A 30 percent chance of light rain Showers in the late evening and overnight. Lows in the lower 40s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

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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