Gutzmers Twin Oaks Airport Weather Forecast

    • 76
    • 94

    Becoming Sunny

    • 75
    • 94

    Mostly Sunny

    • 75
    • 94

    Mostly Sunny

    • 72
    • 93

    Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

    • 68
    • 87

    Chance Thunderstorms

Today 29 Jun Jefferson

Hot and humid. Warmer, sunny. Highs in the lower 90s. South Winds 10 to 15 Mph. Highest heat index Readings 102 to 107 in the late morning and afternoon.

Tonight 29 Jun Jefferson

Mostly clear. Lows in the mid 70s. Southwest Winds 5 to 15 Mph. Highest heat index Readings 97 to 102 in the evening.

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Gutzmers Twin Oaks Airport Temperature Statistics

June Temperature

Janesville-Rock County (21.1 miles)

  • Lowest 3 June, 2026

    44.6 °F

  • Average June

    64.8 °F

  • Highest 4 June, 2026

    87.8 °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

    60.3 °F
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