Aztalan State Park Weather Forecast

    • 50
    • 67

    Increasing Clouds

    • 48
    • 61

    Chance Rain Showers

    • 54
    • 68

    Mostly Cloudy

    • 56
    • 75

    Rain Showers Likely

    • 45
    • 71

    Chance Rain Showers

    • 40
    • 61

    Slight Chance Rain Showers

Today 14 Oct Jefferson

Mostly sunny. Areas of fog in the morning. Highs in the upper 60s. Northeast Winds 5 to 10 Mph.

Tonight 14 Oct Jefferson

Colder. Partly cloudy. Areas of dense fog. Lows in the mid 40s. North Winds up to 10 Mph.

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Aztalan State Park Temperature Statistics

October Temperature

Watertown (9.9 miles)

  • Lowest 9 October, 2025

    34.9 °F

  • Average October

    60.6 °F

  • Highest 3 October, 2025

    86.4 °F

Climate (2020–Present)

Watertown (9.9 miles)

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  • Average Low 2020–2025

    35.8 °F

  • Average 2020–2025

    45.5 °F

  • Average High 2020–2025

    54.6 °F
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