Aztalan State Park Weather Forecast

    • 22
    • 43

    Becoming Sunny

    • 37
    • 48

    Partly Sunny

    • 43
    • 63

    Partly Sunny

    • 47
    • 67

    Mostly Cloudy

    • 46
    • 76

    Rain Likely

    • 36
    • 57

    Chance Rain

Today 27 Mar Jefferson

Colder. Partly sunny then becoming sunny late in the morning then becoming partly sunny. Highs in the lower 40s. Northwest Winds 5 to 15 Mph.

Tonight 27 Mar Jefferson

Mostly clear. Lows in the lower 20s. Northwest Winds 5 to 15 Mph decreasing to up to 5 Mph after midnight.

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Aztalan State Park Temperature Statistics

March Temperature

Watertown (9.9 miles)

  • Lowest 1 March, 2026

    7.2 °F

  • Average March

    38.5 °F

  • Highest 21 March, 2026

    72.7 °F

Climate (2021–Present)

Watertown (9.9 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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