Gutzmers Twin Oaks Airport Weather Forecast

    • 26
    • 43

    Decreasing Clouds

    • 32
    • 41

    Chance Rain

    • 33
    • 39

    Rain Likely

    • 36
    • 46

    Cloudy

    • 16
    • 48

    Mostly Cloudy

    • 6
    • 22

    Mostly Cloudy

Today 23 Dec Jefferson

Partly sunny. Highs in the lower 40s. Northwest Winds 5 to 10 Mph.

Tonight 23 Dec Jefferson

Partly cloudy until early morning then becoming mostly cloudy. Lows in the mid 20s. Northwest Winds 5 to 10 Mph shifting to the northeast after midnight.

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Gutzmers Twin Oaks Airport Temperature Statistics

December Temperature

Janesville-Rock County (21.1 miles)

  • Lowest 14 December, 2025

    -7.6 °F

  • Average December

    19.5 °F

  • Highest 18 December, 2025

    46.4 °F

Climate (2020–Present)

Janesville-Rock County (21.1 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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