Rockton Weather Forecast

    • -14
    • 19

    Slight Chance Snow

    • -11
    • -5

    Cold

    • -3
    • 3

    Cold

    • -5
    • 12

    Slight Chance Snow

    • -1
    • 9

    Cold

    • 3
    • 18

    Mostly Cloudy

Today 22 Jan Winnebago

Partly cloudy in the Morning, then becoming mostly cloudy. A slight chance of snow Showers late. Blustery with Highs in the lower 20s. West Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of precipitation 20 percent.

Tonight 22 Jan Winnebago

Partly cloudy and Blustery. Lows around 13 below. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Wind chill Values as low as 37 below.

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Rockton Temperature Statistics

January Temperature

Janesville-Rock County (11.2 miles)

  • Lowest 19 January, 2026

    -4 °F

  • Average January

    25.5 °F

  • Highest 8 January, 2026

    55.4 °F

Climate (2021–Present)

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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