Pershing Park Weather Forecast

    • -1
    • 25

    Increasing Clouds

    • -8
    • 6

    Cold

    • -4
    • 7

    Cold

    • 7
    • 20

    Mostly Cloudy

    • 27
    • 35

    Mostly Cloudy

    • 30
    • 42

    Mostly Cloudy

Today 12 Dec Rock

Partly sunny. Chance of Flurries late in the afternoon. Highs in the mid 20s. West Winds up to 10 Mph.

Tonight 12 Dec Rock

Mostly cloudy. Chance of Flurries through around midnight. Lows around 1 below. Northwest Winds 10 to 15 Mph.

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Pershing Park Temperature Statistics

December Temperature

Janesville-Rock County (1.9 miles)

  • Lowest 4 December, 2025

    -5.8 °F

  • Average December

    20.1 °F

  • Highest 10 December, 2025

    37.4 °F

Climate (2020–Present)

Janesville-Rock County (1.9 miles)

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  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    60.3 °F
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