Blackhawk Farms Inc. Airport Weather Forecast

    • 60
    • 86

    Partly Sunny

    • 60
    • 82

    Chance Thunderstorms

    • 61
    • 79

    Chance Rain Showers

    • 61
    • 81

    Chance Thunderstorms

    • 59
    • 80

    Chance Rain Showers

    • 56
    • 77

    Slight Chance Thunderstorms

Today 18 Sep Winnebago

Partly cloudy. Highs in the mid 80s. Southeast Winds around 5 Mph.

Tonight 18 Sep Winnebago

Partly cloudy through the early Overnight, then becoming mostly cloudy. Lows in the lower 60s. East Winds around 5 Mph.

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Blackhawk Farms Inc. Airport Temperature Statistics

September Temperature

Janesville-Rock County (9.3 miles)

  • Lowest 7 September, 2025

    39.2 °F

  • Average September

    59 °F

  • Highest 14 September, 2025

    84.2 °F

Climate (2020–Present)

Janesville-Rock County (9.3 miles)

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  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    60.2 °F
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