Harry D Fenton Airport Weather Forecast

    • 25
    • 40

    Rain Likely

    • 30
    • 37

    Chance Rain

    • 26
    • 50

    Mostly Cloudy

    • 16
    • 35

    Mostly Cloudy

    • 23
    • 30

    Chance Snow

    • 23
    • 37

    Chance Wintry Mix

Today 31 Jan Winnebago

Mostly cloudy. Rain Likely, mainly in the morning. Patchy fog. Highs around 40. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 70 percent.

Tonight 31 Jan Winnebago

Partly cloudy. Lows in the mid 20s. Northeast Winds 10 to 15 Mph. Gusts up to 20 Mph in the evening.

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Harry D Fenton Airport Temperature Statistics

January Temperature

Janesville-Rock County (9.9 miles)

  • Lowest 21 January, 2025

    -13 °F

  • Average January

    17.1 °F

  • Highest 17 January, 2025

    53.6 °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

    60.2 °F
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