Koch Airport Weather Forecast

    • 63
    • 87

    Increasing Clouds

    • 64
    • 84

    Rain Showers Likely

    • 66
    • 83

    Rain Showers

    • 68
    • 88

    Chance Thunderstorms

    • 72
    • 94

    Chance Rain Showers

    • 69
    • 94

    Chance Thunderstorms

Today 6 Jun Winnebago

Partly cloudy in the morning then clearing. A slight chance of Showers and Thunderstorms early in the morning. Highs in the upper 80s. West Winds around 5 Mph, becoming northwest in the afternoon. Chance of precipitation 20 percent.

Tonight 6 Jun Winnebago

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Koch Airport Temperature Statistics

June Temperature

Janesville-Rock County (13.7 miles)

  • Lowest 3 June, 2026

    44.6 °F

  • Average June

    63.2 °F

  • Highest 4 June, 2026

    87.8 °F

Climate (2021–Present)

Janesville-Rock County (13.7 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.4 °F
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