Whitewater Lake Weather Forecast

    • 44
    • 63

    Rain

    • 29
    • 64

    Rain

    • 25
    • 43

    Partly Sunny

    • 34
    • 44

    Rain

    • 39
    • 65

    Rain Likely

    • 33
    • 57

    Partly Sunny

Today 29 Mar Walworth

Cooler, cloudy. Slight chance of drizzle late in the Morning, then chance of light rain Showers in the afternoon. Highs in the mid 60s. South Winds 5 to 15 Mph. Chance of Showers 40 percent.

Tonight 29 Mar Walworth

Colder, cloudy. Light rain likely through the night. Slight chance of Thunderstorms after midnight. Lows in the lower 40s. Southeast Winds 5 to 10 Mph. Chance of precipitation 70 percent.

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Whitewater Lake Temperature Statistics

March Temperature

Janesville-Rock County (19.9 miles)

  • Lowest 2 March, 2025

    12.2 °F

  • Average March

    38.1 °F

  • Highest 14 March, 2025

    78.8 °F

Climate (2020–Present)

Janesville-Rock County (19.9 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    60.3 °F
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