Merrimac Weather Forecast

    • 77
    • 93

    Chance Thunderstorms

    • 74
    • 93

    Chance Thunderstorms

    • 71
    • 91

    Rain Showers

    • 70
    • 90

    Rain Showers Likely

    • 66
    • 84

    Rain Showers Likely

    • 65
    • 83

    Chance Rain Showers

    • 65
    • 85

    Partly Sunny

Today 30 Jun Sauk

Partly sunny. Heat index Readings 98 to 103. Southwest Winds around 15 Mph.

Tonight 30 Jun Sauk

Mostly cloudy. A 50 percent chance of light Showers and Thunderstorms in the late evening and overnight. Lows in the mid 70s. Southwest Winds 5 to 15 Mph. Highest heat index Readings 97 to 102 in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merrimac Temperature Statistics

June Temperature

Baraboo Wisconsin Dells Airport (12.4 miles)

  • Lowest 3 June, 2026

    45.1 °F

  • Average June

    66.3 °F

  • Highest 10 June, 2026

    85.8 °F

Climate (2021–2026)

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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