Aztalan State Park Weather Forecast

    • 51
    • 69

    Rain Showers Likely

    • 39
    • 77

    Rain Showers

    • 31
    • 48

    Chance Rain Showers

    • 28
    • 48

    Partly Sunny

    • 44
    • 59

    Mostly Sunny

    • 46
    • 70

    Partly Sunny

Today 16 Apr Jefferson

Patchy fog in the morning. Cloudy with chance of light rain Showers and slight chance of Thunderstorms in the Morning, then mostly cloudy with chance of light rain Showers in the late morning and early afternoon. Partly sunny late in the afternoon. Highs in the upper 60s. Northwest Winds up to 10 Mph. Chance of precipitation 50 percent.

Tonight 16 Apr Jefferson

Partly cloudy. Patchy fog after midnight. Lows around 50. Southeast Winds up to 10 Mph.

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Aztalan State Park Temperature Statistics

April Temperature

Watertown (9.9 miles)

  • Lowest 7 April, 2026

    19.6 °F

  • Average April

    44.9 °F

  • Highest 13 April, 2026

    73.2 °F

Climate (2021–Present)

Watertown (9.9 miles)

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  • Average Low 2021–2026

    35.7 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    54.7 °F
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