Fort Madison Weather Forecast

    • 52
    • 70

    Mostly Cloudy

    • 54
    • 66

    Rain Showers Likely

    • 56
    • 77

    Slight Chance Thunderstorms

    • 57
    • 79

    Partly Sunny

    • 60
    • 83

    Mostly Cloudy

    • 63
    • 84

    Chance Thunderstorms

Today 21 May Lee

Partly sunny. Highs in the upper 60s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 21 May Lee

Mostly cloudy. A chance of Showers after midnight. Lows around 50. East Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 30 percent.

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Fort Madison Temperature Statistics

May Temperature

Fort Madison Municipal Airport (1.9 miles)

  • Lowest 1 May, 2026

    35.6 °F

  • Average May

    61.3 °F

  • Highest 17 May, 2026

    86 °F

Climate (2021–Present)

Fort Madison Municipal Airport (1.9 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    64.7 °F
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