Sugar River Forest Preserve Weather Forecast

    • 68
    • 91

    Mostly Sunny

    • 70
    • 94

    Mostly Sunny

    • 70
    • 94

    Mostly Sunny

    • 71
    • 92

    Mostly Sunny

    • 71
    • 90

    Chance Rain Showers

    • 66
    • 88

    Slight Chance Thunderstorms

    • 63
    • 85

    Slight Chance Thunderstorms

Today 13 Jul Winnebago

Sunny. Highs in the lower 90s. Northwest Winds 5 to 10 Mph.

Tonight 13 Jul Winnebago

Clear. Lows in the upper 60s. West Winds around 5 Mph.

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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 7 July, 2026

    55.4 °F

  • Average July

    72.7 °F

  • Highest 1 July, 2026

    91.4 °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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