Merrimac Weather Forecast

    • 46
    • 65

    Becoming Sunny

    • 52
    • 78

    Rain Likely

    • 32
    • 68

    Rain Likely

    • 29
    • 46

    Chance Snow

    • 31
    • 42

    Chance Rain/Snow

    • 39
    • 51

    Rain Likely

Today 29 Mar Sauk

Warmer. Partly sunny. Highs in the mid 60s. South Winds 10 to 15 Mph.

Tonight 29 Mar Sauk

Not as cool. Mostly clear. Lows in the upper 40s. South Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merrimac Temperature Statistics

March Temperature

Baraboo Wisconsin Dells Airport (12.4 miles)

  • Lowest 1 March, 2026

    7.2 °F

  • Average March

    38.8 °F

  • Highest 21 March, 2026

    77.5 °F

Climate (2021–Present)

Baraboo Wisconsin Dells Airport (12.4 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    57.9 °F
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