Devil's Lake State Park Weather Forecast

    • 48
    • 61

    Mostly Cloudy

    • 43
    • 60

    Partly Sunny

    • 46
    • 64

    Partly Sunny

    • 48
    • 65

    Mostly Cloudy

    • 46
    • 65

    Partly Sunny

    • 50
    • 63

    Partly Sunny

Today 21 Sep Sauk

Partly sunny. Highs around 70.

Tonight 21 Sep Sauk

Mostly cloudy. Light rain Showers likely in the Evening, then chance of light rain Showers in the late evening and overnight. Lows in the upper 40s. Northeast Winds 5 to 10 Mph. Chance of Showers 70 percent.

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Devil's Lake State Park Temperature Statistics

September Temperature

Baraboo Wisconsin Dells Airport (6.2 miles)

  • Lowest 14 September, 2026

    39.7 °F

  • Average September

    65.2 °F

  • Highest 1 September, 2026

    85.3 °F

Climate (2021–2026)

Baraboo Wisconsin Dells Airport (6.2 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    57.9 °F
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