Tripp Lake Weather Forecast

    • 52
    • 71

    Partly Cloudy

    • 54
    • 74

    Mostly Cloudy

    • 56
    • 76

    Partly Sunny

    • 55
    • 79

    Partly Sunny

    • 61
    • 81

    Partly Sunny

    • 59
    • 83

    Partly Sunny

Today 8 Sep Walworth

Sunny. Highs around 70. South Winds 5 to 10 Mph.

Tonight 8 Sep Walworth

Warmer. Mostly clear. Lows in the lower 50s. South Winds 5 to 10 Mph.

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Tripp Lake Temperature Statistics

September Temperature

Janesville-Rock County (21.7 miles)

  • Lowest 4 September, 2025

    41 °F

  • Average September

    56.7 °F

  • Highest 1 September, 2025

    77 °F

Climate (2020–Present)

Janesville-Rock County (21.7 miles)

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  • Average Low 2020–2025

    40.5 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    60.2 °F
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