Sugar River Forest Preserve Weather Forecast

    • 4
    • 30

    Slight Chance Snow Showers

    • 11
    • 25

    Mostly Cloudy

    • 14
    • 23

    Mostly Cloudy

    • -2
    • 31

    Mostly Cloudy

    • -6
    • 11

    Mostly Cloudy

Today 30 Nov Winnebago

Mostly cloudy. A chance of snow early in the morning. Patchy blowing and Drifting snow until late afternoon. Little or no snow accumulation. Blustery. Highs around 30. Northwest Winds 15 to 20 Mph, Diminishing to 10 to 15 Mph in the afternoon. Gusts up to 30 Mph. Chance of precipitation 50 percent.

Tonight 30 Nov Winnebago

Mostly cloudy. Lows around 5 above. Northwest Winds around 5 Mph.

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Sugar River Forest Preserve Temperature Statistics

November Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 28 November, 2025

    14 °F

  • Average November

    38.7 °F

  • Highest 15 November, 2025

    69.8 °F

Climate (2020–Present)

Janesville-Rock County (14.3 miles)

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  • Average Low 2020–2025

    40.5 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    60.4 °F
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