Fort Madison Municipal Airport Weather Forecast

    • 70
    • 81

    Chance Thunderstorms

    • 67
    • 85

    Rain Showers

    • 59
    • 76

    Rain Showers

    • 55
    • 66

    Chance Rain Showers

    • 50
    • 63

    Mostly Cloudy

    • 53
    • 67

    Partly Sunny

Today 18 Sep Lee

Mostly cloudy after Midnight, then a slight chance of Showers and Thunderstorms this morning. Partly sunny this afternoon. Patchy fog this morning. Humid with Highs in the lower 80s. Northeast Winds 5 to 10 Mph, becoming southeast this afternoon. Chance of rain 20 percent.

Tonight 18 Sep Lee

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Chance of rain 30 percent.

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Fort Madison Municipal Airport Temperature Statistics

September Temperature

Fort Madison Municipal Airport (0 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 (0 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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