Fort Madison Weather Forecast

    • 62
    • 81

    Slight Chance Thunderstorms

    • 66
    • 83

    Partly Sunny

    • 64
    • 86

    Chance Rain Showers

    • 68
    • 84

    Slight Chance Rain Showers

    • 65
    • 89

    Rain Showers Likely

    • 60
    • 75

    Chance Rain Showers

Today 10 Sep Lee

Mostly cloudy early this Morning, then becoming partly sunny. Highs in the lower 80s. Northeast Winds around 5 Mph.

Tonight 10 Sep Lee

Mostly clear. Patchy fog after midnight. Humid with Lows in the lower 60s. East Winds around 5 Mph.

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Fort Madison Temperature Statistics

September Temperature

Fort Madison Municipal Airport (1.9 miles)

  • Lowest 7 September, 2026

    66.2 °F

  • Average September

    81 °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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