Gutzmers Twin Oaks Airport Weather Forecast

    • 29
    • 39

    Drizzle

    • 35
    • 42

    Increasing Clouds

    • 35
    • 45

    Rain

    • 30
    • 42

    Rain/Snow Likely

    • 20
    • 33

    Snow Likely

    • 21
    • 30

    Partly Sunny

    • 25
    • 38

    Partly Sunny

Today 6 Jan Jefferson

Cloudy with a 20 percent chance of light rain. Patchy fog. Northwest Winds around 5 Mph.

Tonight 6 Jan Jefferson

Mostly cloudy. A 40 percent chance of light rain in the evening. Patchy fog through the night. Lows in the upper 20s. West Winds 5 to 10 Mph. Gusts up to 20 Mph through around midnight.

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Gutzmers Twin Oaks Airport Temperature Statistics

January Temperature

Janesville-Rock County (21.1 miles)

  • Lowest 1 January, 2026

    8.6 °F

  • Average January

    19.9 °F

  • Highest 4 January, 2026

    32 °F

Climate (2021–Present)

Janesville-Rock County (21.1 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.2 °F
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