Sugar River Forest Preserve Weather Forecast

    • 66
    • 98

    Rain Showers Likely

    • 59
    • 83

    Becoming Sunny

    • 63
    • 85

    Mostly Sunny

    • 66
    • 87

    Partly Sunny

    • 64
    • 82

    Chance Thunderstorms

    • 62
    • 80

    Chance Thunderstorms

    • 60
    • 83

    Mostly Sunny

Today 27 Jul Winnebago

Partly cloudy. A slight chance of Showers and Thunderstorms. Temperatures in the lower 90s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 20 percent. Heat index Values up to 112.

Tonight 27 Jul Winnebago

Partly cloudy. A slight chance of Showers and Thunderstorms early in the evening. Lows in the upper 60s. Northwest Winds 10 to 15 Mph, becoming north after midnight. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sugar River Forest Preserve Temperature Statistics

July Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 22 July, 2026

    50 °F

  • Average July

    74.2 °F

  • Highest 14 July, 2026

    95 °F

Climate (2021–2026)

Janesville-Rock County (14.3 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.4 °F
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