Harry D Fenton Airport Weather Forecast

    • 61
    • 85

    Chance Thunderstorms

    • 62
    • 83

    Mostly Sunny

    • 64
    • 87

    Mostly Sunny

    • 65
    • 86

    Slight Chance Thunderstorms

    • 71
    • 89

    Partly Sunny

    • 68
    • 90

    Chance Thunderstorms

Today 30 Jun Winnebago

Mostly cloudy. A slight chance of Showers through mid Morning, then a chance of Showers and Thunderstorms in the late morning and afternoon. Highs in the upper 80s. West Winds around 5 Mph, increasing to northwest in the afternoon. Chance of precipitation 50 percent.

Tonight 30 Jun Winnebago

Mostly cloudy early in the Evening, then clearing. A slight chance of Showers and Thunderstorms early in the evening. Lows in the lower 60s. Northwest Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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Harry D Fenton Airport Temperature Statistics

June Temperature

Janesville-Rock County (9.9 miles)

  • Lowest 1 June, 2025

    42.8 °F

  • Average June

    68.4 °F

  • Highest 23 June, 2025

    93.2 °F

Climate (2020–Present)

Janesville-Rock County (9.9 miles)

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  • Average Low 2020–2025

    40.5 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    60.3 °F
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