Harry D Fenton Airport Weather Forecast

    • 55
    • 64

    Rain Showers

    • 32
    • 57

    Chance Rain Showers

    • 45
    • 60

    Mostly Sunny

    • 41
    • 68

    Mostly Sunny

    • 32
    • 57

    Rain Showers Likely

    • 25
    • 43

    Slight Chance Rain Showers

    • 35
    • 49

    Mostly Cloudy

Today 6 Mar Winnebago

Mostly cloudy. A chance of Showers and a slight chance of Thunderstorms. Temperatures in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 50 percent.

Tonight 6 Mar Winnebago

Showers with Thunderstorms likely. Breezy. Lows in the mid 50s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation near 100 percent.

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Harry D Fenton Airport Temperature Statistics

March Temperature

Janesville-Rock County (9.9 miles)

  • Lowest 1 March, 2026

    10.4 °F

  • Average March

    30 °F

  • Highest 4 March, 2026

    50 °F

Climate (2021–Present)

Janesville-Rock County (9.9 miles)

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  • Average Low 2021–2026

    40.5 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    60.4 °F
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