Rock River Park Weather Forecast

    • 30
    • 43

    Rain Showers Likely

    • 43
    • 66

    Rain Showers

    • 39
    • 60

    Rain Showers Likely

    • 34
    • 57

    Partly Sunny

    • 46
    • 60

    Chance Rain Showers

    • 60
    • 73

    Rain Showers Likely

Today 7 Apr Jefferson

Mostly sunny. Near steady temperature around 40. Southeast Winds 5 to 10 Mph.

Tonight 7 Apr Jefferson

Mostly cloudy. Chance of snow Showers, possibly mixed with freezing rain and rain Showers after midnight. Light rain Showers likely early in the morning. No snow accumulation. Lows in the upper 20s. Southeast Winds 5 to 15 Mph. Chance of precipitation 60 percent.

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Rock River Park Temperature Statistics

April Temperature

Watertown (17.4 miles)

  • Lowest 1 April, 2026

    31.8 °F

  • Average April

    39.7 °F

  • Highest 2 April, 2026

    57.2 °F

Climate (2021–Present)

Watertown (17.4 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    54.6 °F
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