Merrimac Weather Forecast

    • -4
    • 18

    Decreasing Clouds

    • -7
    • 2

    Cold

    • -12
    • 1

    Cold

    • -4
    • 2

    Cold

    • 11
    • 21

    Mostly Cloudy

    • 9
    • 25

    Mostly Cloudy

Today 18 Jan Sauk

Much Colder. Mostly cloudy in the morning then clearing. Highs around 16. Northwest Winds 10 to 20 Mph.

Tonight 18 Jan Sauk

Bitterly cold. Colder. Partly cloudy. Lows around 5 below. Northwest Winds 10 to 15 Mph. Wind chill Readings 15 below to 25 below zero.

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  • Temperature Real-Time

Merrimac Temperature Statistics

January Temperature

Baraboo Wisconsin Dells Airport (12.4 miles)

  • Lowest 15 January, 2025

    -2.9 °F

  • Average January

    16.5 °F

  • Highest 12 January, 2025

    30.2 °F

Climate (2020–Present)

Baraboo Wisconsin Dells Airport (12.4 miles)

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  • Average Low 2020–2025

    37.9 °F

  • Average 2020–2025

    47.4 °F

  • Average High 2020–2025

    56.7 °F
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