Whitewater Lake Weather Forecast

    • 7
    • 25

    Mostly Sunny

    • 17
    • 28

    Partly Sunny

    • 28
    • 36

    Mostly Cloudy

    • 32
    • 44

    Chance Rain

    • 29
    • 43

    Mostly Cloudy

    • 27
    • 44

    Chance Rain/Snow

Today 21 Feb Walworth

Sunny. Highs in the lower 20s. Southwest Winds up to 10 Mph.

Tonight 21 Feb Walworth

Mostly clear. Lows around 6. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Whitewater Lake Temperature Statistics

February Temperature

Janesville-Rock County (19.9 miles)

  • Lowest 18 February, 2025

    -14.8 °F

  • Average February

    18.6 °F

  • Highest 2 February, 2025

    42.8 °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

    60.2 °F
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