Rock River Park Weather Forecast

    • 13
    • 25

    Snow Showers

    • 16
    • 26

    Partly Sunny

    • 24
    • 39

    Chance Snow

    • 18
    • 37

    Chance Snow

    • 23
    • 36

    Slight Chance Snow

    • 27
    • 49

    Partly Sunny

Today 22 Feb Jefferson

Cloudy. Scattered Flurries through the day. Highs in the mid 20s. Northwest Winds 15 to 20 Mph.

Tonight 22 Feb Jefferson

Cloudy. Isolated snow Showers after Midnight, then scattered Flurries early in the morning. Lows around 18. Northwest Winds around 15 Mph. Chance of snow 20 percent.

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Rock River Park Temperature Statistics

February Temperature

Watertown (17.4 miles)

  • Lowest 4 February, 2026

    -5.6 °F

  • Average February

    28.8 °F

  • Highest 16 February, 2026

    60.6 °F

Climate (2021–Present)

Watertown (17.4 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    45.6 °F

  • Average High 2021–2026

    54.7 °F
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