Clover Valley Fen State Natural Area Weather Forecast

    • 34
    • 70

    Mostly Cloudy

    • 36
    • 43

    Rain

    • 41
    • 69

    Rain

    • 43
    • 62

    Rain

    • 30
    • 57

    Rain Likely

    • 28
    • 47

    Partly Sunny

    • 35
    • 54

    Mostly Cloudy

Today 31 Mar Walworth

Cooler. Rain Showers and scattered Thunderstorms. Highs in the upper 60s. Northwest Winds 10 to 15 Mph. Chance of precipitation 80 percent.

Tonight 31 Mar Walworth

Much Colder. Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s. Northeast Winds 5 to 15 Mph.

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Clover Valley Fen State Natural Area Temperature Statistics

March Temperature

Janesville-Rock County (20.5 miles)

  • Lowest 1 March, 2026

    10.4 °F

  • Average March

    39 °F

  • Highest 21 March, 2026

    77 °F

Climate (2021–Present)

Janesville-Rock County (20.5 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.4 °F
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