Rockton Weather Forecast

    • 62
    • 70

    Thunderstorms

    • 58
    • 74

    Thunderstorms

    • 63
    • 73

    Thunderstorms

    • 61
    • 79

    Thunderstorms

    • 56
    • 68

    Chance Thunderstorms

    • 54
    • 66

    Chance Rain Showers

    • 53
    • 68

    Slight Chance Rain Showers

Today 16 Sep Winnebago

Partly cloudy in the Morning, then becoming mostly cloudy. Highs in the lower 70s.

Tonight 16 Sep Winnebago

Mostly cloudy. Scattered Showers early in the Evening, then isolated Showers and Thunderstorms late in the evening. Numerous Showers and Thunderstorms after midnight. Lows in the lower 60s. East Winds 5 to 10 Mph. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rockton Temperature Statistics

September Temperature

Janesville-Rock County (11.2 miles)

  • Lowest 14 September, 2026

    42.8 °F

  • Average September

    68.3 °F

  • Highest 1 September, 2026

    91.4 °F

Climate (2021–2026)

Janesville-Rock County (11.2 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.3 °F
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