Harry D Fenton Airport Weather Forecast

    • 61
    • 80

    Rain Showers

    • 47
    • 74

    Rain Showers

    • 37
    • 58

    Chance Rain Showers

    • 42
    • 66

    Chance Rain Showers

    • 35
    • 53

    Partly Sunny

    • 37
    • 57

    Partly Sunny

    • 37
    • 61

    Mostly Sunny

Today 17 Oct Winnebago

Partly cloudy late in the Morning, then becoming mostly cloudy. Highs around 80. South Winds 10 to 15 Mph, increasing to 15 to 20 Mph in the afternoon.

Tonight 17 Oct Winnebago

Mostly cloudy. A chance of Showers and a slight chance of Thunderstorms late in the evening. Showers likely and a chance of Thunderstorms after midnight. Lows in the lower 60s. South Winds 10 to 15 Mph. Chance of precipitation 70 percent.

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Harry D Fenton Airport Temperature Statistics

October Temperature

Janesville-Rock County (9.9 miles)

  • Lowest 9 October, 2025

    35.6 °F

  • Average October

    58.4 °F

  • Highest 3 October, 2025

    87.8 °F

Climate (2020–Present)

Janesville-Rock County (9.9 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    60.4 °F
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