Merrimac Weather Forecast

    • 59
    • 82

    Rain Showers

    • 54
    • 84

    Chance Rain Showers

    • 63
    • 81

    Rain Showers

    • 61
    • 83

    Rain Showers

    • 46
    • 73

    Chance Rain Showers

    • 43
    • 65

    Partly Sunny

    • 47
    • 68

    Partly Sunny

Today 15 May Sauk

Sunny. South Winds 10 to 15 Mph.

Tonight 15 May Sauk

Partly cloudy in the Evening, then mostly cloudy with rain Showers and Thunderstorms in the late evening and early morning. Mostly cloudy early in the morning. Lows in the upper 50s. Southwest Winds 5 to 15 Mph. Chance of precipitation 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merrimac Temperature Statistics

May Temperature

Baraboo Wisconsin Dells Airport (12.4 miles)

  • Lowest 7 May, 2026

    28 °F

  • Average May

    50.8 °F

  • Highest 4 May, 2026

    77.4 °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

    48.1 °F

  • Average High 2021–2026

    57.9 °F
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