Blackhawk Farms Inc. Airport Weather Forecast

    • 27
    • 48

    Becoming Sunny

    • 41
    • 55

    Mostly Sunny

    • 45
    • 71

    Partly Sunny

    • 54
    • 74

    Partly Sunny

    • 59
    • 79

    Mostly Cloudy

    • 43
    • 69

    Chance Rain Showers

Today 19 Apr Winnebago

Mostly cloudy. A slight chance of rain and snow Showers late in the Morning, then a chance of Showers in the late morning and early afternoon. A slight chance of Showers late. Breezy. Highs in the upper 40s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 40 percent.

Tonight 19 Apr Winnebago

Mostly clear. Widespread frost in the late evening and overnight. Lows in the upper 20s. Northwest Winds 10 to 15 Mph, becoming north around 5 Mph after midnight.

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Blackhawk Farms Inc. Airport Temperature Statistics

April Temperature

Janesville-Rock County (9.3 miles)

  • Lowest 7 April, 2026

    23 °F

  • Average April

    48.7 °F

  • Highest 17 April, 2026

    78.8 °F

Climate (2021–Present)

Janesville-Rock County (9.3 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    60.4 °F
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