Aztalan State Park Weather Forecast

    • 37
    • 58

    Sunny

    • 40
    • 63

    Sunny

    • 39
    • 66

    Mostly Sunny

    • 42
    • 68

    Mostly Sunny

    • 47
    • 70

    Mostly Sunny

    • 46
    • 71

    Partly Sunny

    • 48
    • 70

    Partly Sunny

Today 17 Oct Jefferson

Partly sunny. Highs around 70.

Tonight 17 Oct Jefferson

Clear. Lows in the upper 30s. Southwest Winds 5 to 15 Mph.

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Aztalan State Park Temperature Statistics

October Temperature

Watertown (9.9 miles)

  • Lowest 5 October, 2026

    37.4 °F

  • Average October

    60.3 °F

  • Highest 12 October, 2026

    86.5 °F

Climate (2021–2026)

Watertown (9.9 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    44.8 °F

  • Average High 2021–2026

    53.8 °F
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