Aztalan State Park Weather Forecast

    • 60
    • 87

    Partly Sunny

    • 63
    • 81

    Partly Sunny

    • 67
    • 88

    Rain Showers Likely

    • 57
    • 81

    Mostly Sunny

    • 55
    • 78

    Mostly Sunny

    • 59
    • 81

    Partly Sunny

Today 18 Jul Jefferson

Partly sunny. A 20 percent chance of Showers and Thunderstorms in the morning. Highs in the upper 80s. Northwest Winds around 10 Mph.

Tonight 18 Jul Jefferson

Cooler. Partly cloudy. Areas of smoke in the late evening and overnight. Lows around 60. Northeast Winds up to 10 Mph.

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Aztalan State Park Temperature Statistics

July Temperature

Watertown (9.9 miles)

  • Lowest 7 July, 2026

    53.2 °F

  • Average July

    76 °F

  • Highest 14 July, 2026

    95.4 °F

Climate (2021–2026)

Watertown (9.9 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    44.9 °F

  • Average High 2021–2026

    54 °F
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