Devil's Lake State Park Weather Forecast

    • 61
    • 85

    Mostly Cloudy

    • 61
    • 79

    Chance Thunderstorms

    • 61
    • 77

    Chance Thunderstorms

    • 61
    • 79

    Chance Thunderstorms

    • 58
    • 79

    Chance Rain Showers

    • 55
    • 75

    Slight Chance Rain Showers

Today 18 Sep Sauk

Partly sunny. Patchy fog in the morning. Slight chance of light Showers in the morning. Slight chance of light Showers and Thunderstorms late in the afternoon. Highs in the mid 80s. Southeast Winds up to 5 Mph. Chance of precipitation 20 percent.

Tonight 18 Sep Sauk

Partly cloudy. Patchy fog early in the morning. Lows around 60. Calm Winds.

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Devil's Lake State Park Temperature Statistics

September Temperature

Baraboo Wisconsin Dells Airport (6.2 miles)

  • Lowest 7 September, 2025

    36.9 °F

  • Average September

    61.4 °F

  • Highest 15 September, 2025

    86.9 °F

Climate (2020–Present)

Baraboo Wisconsin Dells Airport (6.2 miles)

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  • Average Low 2020–2025

    38 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    57.3 °F
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