Rock River Park Weather Forecast

    • 8
    • 17

    Snow Likely

    • 12
    • 20

    Partly Sunny

    • 8
    • 25

    Partly Sunny

    • 21
    • 27

    Mostly Cloudy

    • 29
    • 39

    Mostly Cloudy

    • 25
    • 42

    Mostly Cloudy

    • 28
    • 40

    Mostly Cloudy

Today 1 Jan Jefferson

Cloudy. Chance of Flurries. West Winds around 5 Mph.

Tonight 1 Jan Jefferson

Mostly cloudy in the evening then becoming partly cloudy. Lows around 8. West Winds up to 5 Mph.

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Rock River Park Temperature Statistics

January Temperature

Watertown (17.4 miles)

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Climate (2021–Present)

Watertown (17.4 miles)

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  • Average Low 2021–2025

    35.7 °F

  • Average 2021–2025

    45.5 °F

  • Average High 2021–2025

    54.5 °F
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