Koch Airport Weather Forecast

    • 38
    • 54

    Partly Sunny

    • 39
    • 61

    Mostly Sunny

    • 37
    • 58

    Partly Sunny

    • 38
    • 56

    Chance Rain

    • 35
    • 54

    Slight Chance Rain

    • 34
    • 54

    Partly Sunny

Today 25 Oct Winnebago

Partly cloudy in the Morning, then becoming mostly cloudy. A chance of Sprinkles in the late morning and afternoon. Highs in the mid 50s. Southeast Winds 5 to 10 Mph.

Tonight 25 Oct Winnebago

Partly cloudy. Lows in the upper 30s. East Winds 5 to 10 Mph.

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Koch Airport Temperature Statistics

October Temperature

Janesville-Rock County (13.7 miles)

  • Lowest 9 October, 2025

    35.6 °F

  • Average October

    56.7 °F

  • Highest 3 October, 2025

    87.8 °F

Climate (2020–Present)

Janesville-Rock County (13.7 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    48.9 °F

  • Average High 2020–2025

    60.4 °F
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