Clover Valley Airport Weather Forecast

    • 29
    • 36

    Mostly Cloudy

    • 11
    • 42

    Rain

    • 16
    • 25

    Mostly Cloudy

    • 10
    • 37

    Mostly Cloudy

    • 13
    • 23

    Mostly Cloudy

    • 24
    • 33

    Mostly Cloudy

Today 17 Dec Walworth

Mostly sunny. Highs in the mid 30s. Northwest Winds 5 to 10 Mph shifting to the south in the afternoon.

Tonight 17 Dec Walworth

Cloudy. Light rain Likely, possibly mixed with snow after midnight. Light rain likely early in the morning. No snow accumulation. Lows in the upper 20s. South Winds 10 to 20 Mph. Chance of precipitation 60 percent.

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Clover Valley Airport Temperature Statistics

December Temperature

Janesville-Rock County (20.5 miles)

  • Lowest 14 December, 2025

    -7.6 °F

  • Average December

    17.4 °F

  • Highest 10 December, 2025

    37.4 °F

Climate (2020–Present)

Janesville-Rock County (20.5 miles)

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  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    60.2 °F
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