Gutzmers Twin Oaks Airport Weather Forecast

    • 64
    • 72

    Rain Showers

    • 53
    • 75

    Rain Showers

    • 61
    • 71

    Rain Showers

    • 58
    • 75

    Chance Rain Showers

    • 60
    • 76

    Rain Showers Likely

    • 56
    • 73

    Rain Showers Likely

Today 14 Sep Jefferson

Mostly sunny late in the morning then becoming mostly cloudy. A 20 percent chance of light Showers late in the afternoon. Highs in the lower 70s. Southeast Winds 5 to 15 Mph.

Tonight 14 Sep Jefferson

Warmer. Mostly cloudy. Chance of light Showers through around midnight. Chance of Thunderstorms in the late evening and overnight. Showers after midnight. Lows in the lower 60s. South Winds 15 to 20 Mph. Chance of precipitation 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gutzmers Twin Oaks Airport Temperature Statistics

September Temperature

Janesville-Rock County (21.1 miles)

  • Lowest 11 September, 2026

    53.6 °F

  • Average September

    70.3 °F

  • Highest 1 September, 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

    60.3 °F
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