Koch Airport Weather Forecast

    • 28
    • 32

    Wintry Mix Likely

    • 6
    • 36

    Slight Chance Wintry Mix

    • 18
    • 23

    Mostly Cloudy

    • 22
    • 36

    Partly Sunny

    • 31
    • 46

    Mostly Cloudy

    • 28
    • 44

    Chance Rain

Today 5 Feb Winnebago

Mostly cloudy. Isolated snow Showers early in the Morning, then scattered snow Showers late in the morning. Little or no snow accumulation. Highs in the lower 30s. Southwest Winds 10 to 15 Mph. Chance of precipitation 50 percent.

Tonight 5 Feb Winnebago

Mostly cloudy. A slight chance of freezing rain and sleet after midnight. A chance of freezing Rain, sleet and scattered snow Showers late. Little or no snow and sleet accumulation. Ice accumulation around a trace. Near steady temperature in the upper 20s. West Winds 5 to 10 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Koch Airport Temperature Statistics

February Temperature

Janesville-Rock County (13.7 miles)

  • Lowest 1 February, 2026

    -0.4 °F

  • Average February

    15.7 °F

  • Highest 1 February, 2026

    28.4 °F

Climate (2021–Present)

Janesville-Rock County (13.7 miles)

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  • Average Low 2021–2026

    40.2 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    60.1 °F
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