South Park Weather Forecast

    • 41
    • 68

    Mostly Sunny

    • 60
    • 70

    Rain Showers

    • 50
    • 74

    Chance Rain Showers

    • 56
    • 68

    Rain Showers Likely

    • 54
    • 73

    Chance Rain Showers

    • 56
    • 71

    Rain Showers Likely

    • 54
    • 73

    Chance Rain Showers

Today 13 Sep Sauk

Sunny. West Winds 5 to 10 Mph.

Tonight 13 Sep Sauk

Mostly clear. Lows in the lower 40s. West Winds up to 5 Mph through around midnight becoming calm.

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South Park Temperature Statistics

September Temperature

Reedsburg Municipal Airport (0.6 miles)

  • Lowest 11 September, 2026

    51.8 °F

  • Average September

    72.5 °F

  • Highest 1 September, 2026

    91.4 °F

Climate (2021–2026)

Reedsburg Municipal Airport (0.6 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    58.2 °F
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