Gutzmers Twin Oaks Airport Weather Forecast

    • 49
    • 66

    Slight Chance Rain Showers

    • 47
    • 68

    Rain Showers

    • 43
    • 62

    Mostly Cloudy

    • 38
    • 58

    Partly Sunny

    • 38
    • 57

    Mostly Cloudy

    • 35
    • 56

    Partly Sunny

    • 41
    • 61

    Partly Sunny

Today 26 Apr Jefferson

Mostly sunny. East Winds 5 to 15 Mph.

Tonight 26 Apr Jefferson

Mostly cloudy until early Morning, then a 20 percent chance of light rain Showers early in the morning. Lows in the upper 40s. Southeast Winds 10 to 15 Mph.

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Gutzmers Twin Oaks Airport Temperature Statistics

April Temperature

Janesville-Rock County (21.1 miles)

  • Lowest 7 April, 2026

    23 °F

  • Average April

    47.9 °F

  • Highest 17 April, 2026

    78.8 °F

Climate (2021–Present)

Janesville-Rock County (21.1 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    60.4 °F
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