Rock River Park Weather Forecast

    • 31
    • 50

    Becoming Sunny

    • 30
    • 52

    Mostly Sunny

    • 42
    • 53

    Rain Showers

    • 29
    • 55

    Chance Rain Showers

    • 22
    • 37

    Mostly Cloudy

    • 18
    • 33

    Partly Sunny

Today 22 Nov Jefferson

Sunny in the morning then becoming mostly cloudy. Highs in the upper 40s. South Winds up to 5 Mph increasing to southwest 10 to 15 Mph in the afternoon.

Tonight 22 Nov Jefferson

Partly cloudy through around midnight then becoming clear. Lows in the lower 30s. West Winds 5 to 15 Mph.

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Rock River Park Temperature Statistics

November Temperature

Watertown (17.4 miles)

  • Lowest 10 November, 2025

    19.6 °F

  • Average November

    41.4 °F

  • Highest 15 November, 2025

    66.7 °F

Climate (2020–Present)

Watertown (17.4 miles)

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  • Average Low 2020–2025

    35.8 °F

  • Average 2020–2025

    45.6 °F

  • Average High 2020–2025

    54.6 °F
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