Sugar River Forest Preserve Weather Forecast

    • 34
    • 54

    Chance Rain Showers

    • 49
    • 57

    Rain Showers Likely

    • 61
    • 73

    Rain Showers Likely

    • 63
    • 77

    Rain Showers Likely

    • 56
    • 79

    Rain Showers

    • 48
    • 68

    Chance Rain Showers

Today 10 Apr Winnebago

Cloudy in the Morning, then becoming partly cloudy. A chance of Showers early in the morning. Highs in the mid 50s. North Winds 5 to 10 Mph. Chance of precipitation 40 percent.

Tonight 10 Apr Winnebago

Mostly clear. Lows in the mid 30s. Northeast Winds around 5 Mph, becoming east after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sugar River Forest Preserve Temperature Statistics

April Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 7 April, 2026

    23 °F

  • Average April

    40 °F

  • Highest 2 April, 2026

    66.2 °F

Climate (2021–Present)

Janesville-Rock County (14.3 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.3 °F
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