Sugar River Forest Preserve Weather Forecast

    • 22
    • 33

    Blizzard

    • 18
    • 31

    Mostly Cloudy

    • 20
    • 30

    Snow Likely

    • 25
    • 30

    Snow Likely

    • 3
    • 26

    Chance Rain/Snow

    • 3
    • 18

    Chance Snow

Today 26 Nov Winnebago

Cloudy. A chance of snow. Little or no snow accumulation. Windy. Near steady temperature in the lower 30s. West Winds 20 to 30 Mph with Gusts up to 45 Mph. Chance of precipitation 50 percent.

Tonight 26 Nov Winnebago

Mostly cloudy and windy. Lows in the lower 20s. Northwest Winds 15 to 25 Mph with Gusts up to 40 Mph, becoming 15 to 20 Mph with Gusts up to 30 Mph after midnight.

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Sugar River Forest Preserve Temperature Statistics

November Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 10 November, 2025

    19.4 °F

  • Average November

    39.9 °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

    40.6 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    60.4 °F
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