Swan Lake Weather Forecast

    • 57
    • 79

    Mostly Cloudy

    • 55
    • 79

    Partly Sunny

    • 60
    • 79

    Mostly Cloudy

    • 67
    • 82

    Rain Showers Likely

    • 59
    • 84

    Slight Chance Rain Showers

    • 53
    • 75

    Partly Sunny

Today 5 Sep Columbia

Partly sunny. Patchy fog in the morning. Highs around 80. Northeast Winds 5 to 10 Mph.

Tonight 5 Sep Columbia

Mostly clear. Patchy fog early in the morning. Lows in the upper 50s. Northeast Winds up to 5 Mph.

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Swan Lake Temperature Statistics

September Temperature

Baraboo Wisconsin Dells Airport (20.5 miles)

  • Lowest 2 September, 2026

    64 °F

  • Average September

    73.3 °F

  • Highest 1 September, 2026

    85.3 °F

Climate (2021–2026)

Baraboo Wisconsin Dells Airport (20.5 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    58 °F
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