Dekorra Weather Forecast

    • 60
    • 85

    Slight Chance Thunderstorms

    • 60
    • 79

    Chance Rain Showers

    • 61
    • 79

    Chance Thunderstorms

    • 61
    • 80

    Chance Thunderstorms

    • 58
    • 79

    Chance Rain Showers

    • 55
    • 75

    Partly Sunny

Today 18 Sep Columbia

Partly sunny. Slight chance of light Showers until late Afternoon, then slight chance of light Showers and Thunderstorms late in the afternoon. Highs in the mid 80s. Southeast Winds up to 10 Mph. Chance of precipitation 20 percent.

Tonight 18 Sep Columbia

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

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Dekorra Temperature Statistics

September Temperature

Baraboo Wisconsin Dells Airport (15.5 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 (15.5 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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