Sauk County Fairgrounds Weather Forecast

    • 64
    • 70

    Rain Showers

    • 46
    • 66

    Rain Showers

    • 40
    • 65

    Sunny

    • 46
    • 66

    Mostly Sunny

    • 38
    • 69

    Mostly Sunny

    • 38
    • 62

    Mostly Sunny

    • 49
    • 66

    Partly Sunny

Today 30 Sep Sauk

Partly sunny. A 20 percent chance of light rain Showers in the afternoon. Highs around 70.

Tonight 30 Sep Sauk

Areas of fog through the night. Isolated light Showers in the evening. Showers in the late evening and overnight. Slight chance of Thunderstorms after midnight. Near steady temperature in the mid 60s. Southwest Winds up to 5 Mph. Chance of precipitation near 100 percent.

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Sauk County Fairgrounds Temperature Statistics

September Temperature

Baraboo Wisconsin Dells Airport (4.3 miles)

  • Lowest 14 September, 2026

    39.7 °F

  • Average September

    62.7 °F

  • Highest 1 September, 2026

    85.3 °F

Climate (2021–2026)

Baraboo Wisconsin Dells Airport (4.3 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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