Mirror Lake State Park Weather Forecast

    • 37
    • 64

    Slight Chance Rain Showers

    • 34
    • 58

    Mostly Sunny

    • 41
    • 61

    Rain Showers Likely

    • 46
    • 75

    Chance Rain Showers

    • 39
    • 63

    Partly Sunny

Today 9 May Sauk

Partly sunny. Northwest Winds 15 to 20 Mph.

Tonight 9 May Sauk

Clear. Areas of frost early in the morning. Lows in the upper 30s. Northwest Winds up to 10 Mph.

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  • Temperature Real-Time

Mirror Lake State Park Temperature Statistics

May Temperature

Baraboo Wisconsin Dells Airport (3.1 miles)

  • Lowest 7 May, 2026

    28 °F

  • Average May

    49 °F

  • Highest 4 May, 2026

    77.4 °F

Climate (2021–Present)

Baraboo Wisconsin Dells Airport (3.1 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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