Hononegah Forest Preserve Weather Forecast

    • -14
    • 20

    Decreasing Clouds

    • -9
    • -3

    Cold

    • -1
    • 4

    Chance Snow

    • -6
    • 11

    Slight Chance Snow

    • 1
    • 10

    Partly Sunny

    • 1
    • 17

    Mostly Cloudy

    • -4
    • 12

    Mostly Cloudy

Today 22 Jan Winnebago

Mostly cloudy. A slight chance of snow Showers in the afternoon. Blustery. Highs in the lower 20s. West Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of precipitation 20 percent.

Tonight 22 Jan Winnebago

Partly cloudy. Intermittent Flurries. Blustery. Lows around 14 below. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Wind chill Values as low as 36 below.

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Hononegah Forest Preserve Temperature Statistics

January Temperature

Janesville-Rock County (12.4 miles)

  • Lowest 20 January, 2026

    -5.8 °F

  • Average January

    24.4 °F

  • Highest 8 January, 2026

    55.4 °F

Climate (2021–Present)

Janesville-Rock County (12.4 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.2 °F
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