Aztalan State Park Weather Forecast

    • 4
    • 24

    Snow Likely

    • -16
    • 17

    Partly Sunny

    • -17
    • -8

    Cold

    • -8
    • 0

    Chance Snow

    • -6
    • 9

    Slight Chance Snow

    • 0
    • 13

    Partly Sunny

Today 21 Jan Jefferson

Mostly cloudy. Light snow likely late in the afternoon. Little snow accumulation. Highs in the lower 20s. West Winds up to 10 Mph shifting to the southwest in the afternoon. Chance of snow 70 percent.

Tonight 21 Jan Jefferson

Not as cold. Snow. New snow accumulation of 1 to 3 Inches. Total snow accumulation 1 to 4 Inches. Near steady temperature around 11. Southeast Winds up to 5 Mph. Chance of snow near 100 percent.

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Aztalan State Park Temperature Statistics

January Temperature

Watertown (9.9 miles)

  • Lowest 18 January, 2026

    -0.2 °F

  • Average January

    25.8 °F

  • Highest 9 January, 2026

    55.2 °F

Climate (2021–Present)

Watertown (9.9 miles)

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  • Average Low 2021–2026

    35.6 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    54.5 °F
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