Ironton Weather Forecast

    • 47
    • 68

    Decreasing Clouds

    • 44
    • 62

    Chance Rain Showers

    • 41
    • 62

    Partly Sunny

    • 43
    • 65

    Partly Sunny

    • 46
    • 67

    Mostly Cloudy

    • 47
    • 70

    Partly Sunny

Today 20 Sep Sauk

Cloudy in the morning then becoming mostly cloudy. Highs in the mid 60s. Northeast Winds 10 to 15 Mph.

Tonight 20 Sep Sauk

Mostly cloudy. Lows in the upper 40s. Northeast Winds 10 to 15 Mph with Gusts to around 30 Mph.

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Ironton Temperature Statistics

September Temperature

Reedsburg Municipal Airport (7.5 miles)

  • Lowest 14 September, 2026

    41.2 °F

  • Average September

    69.1 °F

  • Highest 1 September, 2026

    91.4 °F

Climate (2021–2026)

Reedsburg Municipal Airport (7.5 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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