Fort Madison Weather Forecast

    • 69
    • 83

    Chance Rain Showers

    • 71
    • 85

    Chance Rain Showers

    • 68
    • 88

    Rain Showers Likely

    • 62
    • 76

    Rain Showers Likely

    • 58
    • 70

    Chance Rain Showers

    • 57
    • 70

    Partly Sunny

Today 17 Sep Lee

Patchy fog early this morning. Partly sunny. Highs in the lower 80s. East Winds around 5 Mph, becoming northwest this afternoon.

Tonight 17 Sep Lee

Mostly cloudy. A slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. Northeast Winds around 5 Mph. Chance of rain 20 percent.

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Fort Madison Temperature Statistics

September Temperature

Fort Madison Municipal Airport (1.9 miles)

  • Lowest 13 September, 2026

    55.4 °F

  • Average September

    75.8 °F

  • Highest 1 September, 2026

    96.8 °F

Climate (2021–2026)

Fort Madison Municipal Airport (1.9 miles)

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  • Average Low 2021–2026

    45.5 °F

  • Average 2021–2026

    55 °F

  • Average High 2021–2026

    64.7 °F
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