Hononegah Forest Preserve Weather Forecast

    • 39
    • 53

    Rain Showers

    • 30
    • 43

    Chance Snow

    • 19
    • 35

    Chance Snow

    • 19
    • 29

    Partly Sunny

    • 29
    • 37

    Mostly Cloudy

    • 27
    • 40

    Chance Rain/Snow

Today 8 Jan Winnebago

Showers in the afternoon. Near steady temperature around 50. South Winds 10 to 15 Mph, increasing to southeast 15 to 20 Mph with Gusts up to 25 Mph in the afternoon. Chance of precipitation near 100 percent.

Tonight 8 Jan Winnebago

Mostly cloudy. Showers likely with a slight chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Breezy with Lows in the upper 30s. South Winds 15 to 20 Mph, becoming southwest after midnight. Gusts up to 30 Mph. Chance of precipitation 70 percent.

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Hononegah Forest Preserve Temperature Statistics

January Temperature

Janesville-Rock County (12.4 miles)

  • Lowest 1 January, 2026

    8.6 °F

  • Average January

    24.5 °F

  • Highest 6 January, 2026

    39.2 °F

Climate (2021–Present)

Janesville-Rock County (12.4 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.2 °F
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