Gutzmers Twin Oaks Airport Weather Forecast

    • 58
    • 75

    Chance Thunderstorms

    • 47
    • 72

    Slight Chance Thunderstorms

    • 46
    • 69

    Mostly Sunny

    • 49
    • 71

    Partly Sunny

    • 51
    • 74

    Mostly Sunny

    • 53
    • 76

    Partly Sunny

Today 27 Aug Jefferson

Sunny late in the morning then becoming partly sunny. Highs in the mid 70s. West Winds 5 to 10 Mph.

Tonight 27 Aug Jefferson

Partly cloudy with slight chance of light rain Showers in the Evening, then mostly cloudy with chance of light rain Showers and Thunderstorms in the late evening and overnight. Lows in the upper 50s. Southwest Winds 5 to 10 Mph. Chance of precipitation 50 percent.

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Gutzmers Twin Oaks Airport Temperature Statistics

August Temperature

Janesville-Rock County (21.1 miles)

  • Lowest 2 August, 2025

    50 °F

  • Average August

    68.8 °F

  • Highest 8 August, 2025

    89.6 °F

Climate (2020–Present)

Janesville-Rock County (21.1 miles)

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  • Average Low 2020–2025

    40.5 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    60.3 °F
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