Gutzmers Twin Oaks Airport Weather Forecast

    • 68
    • 91

    Mostly Sunny

    • 70
    • 95

    Mostly Sunny

    • 69
    • 94

    Mostly Sunny

    • 69
    • 91

    Mostly Sunny

    • 70
    • 90

    Chance Rain Showers

    • 66
    • 88

    Chance Rain Showers

Today 13 Jul Jefferson

Very warm. Sunny. Highs in the lower 90s. West Winds up to 10 Mph. Highest heat index Readings 95 to 98 in the afternoon.

Tonight 13 Jul Jefferson

Mostly clear. Lows in the upper 60s. West Winds up to 5 Mph. Highest heat index Readings 95 to 97 in the evening.

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Gutzmers Twin Oaks Airport Temperature Statistics

July Temperature

Janesville-Rock County (21.1 miles)

  • Lowest 7 July, 2026

    55.4 °F

  • Average July

    73 °F

  • Highest 1 July, 2026

    91.4 °F

Climate (2021–2026)

Janesville-Rock County (21.1 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.4 °F
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