Hononegah Forest Preserve Weather Forecast

    • 6
    • 34

    Snow

    • 11
    • 19

    Partly Sunny

    • 11
    • 24

    Partly Sunny

    • 12
    • 24

    Partly Sunny

    • 22
    • 30

    Mostly Cloudy

    • 23
    • 36

    Mostly Cloudy

Today 31 Dec Winnebago

Cloudy. A chance of snow late in the morning. Snow in the afternoon. Snow accumulation around an inch. Blustery. Highs in the mid 30s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of precipitation 80 percent.

Tonight 31 Dec Winnebago

Mostly cloudy in the Evening, then clearing. Lows around 6 above. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to 5 to 10 Mph after midnight.

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Hononegah Forest Preserve Temperature Statistics

December Temperature

Janesville-Rock County (12.4 miles)

  • Lowest 14 December, 2025

    -7.6 °F

  • Average December

    23.6 °F

  • Highest 18 December, 2025

    46.4 °F

Climate (2020–Present)

Janesville-Rock County (12.4 miles)

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  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    60.3 °F
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