Fort Madison Weather Forecast

    • 60
    • 84

    Mostly Sunny

    • 65
    • 85

    Mostly Sunny

    • 71
    • 86

    Partly Sunny

    • 75
    • 94

    Slight Chance Thunderstorms

    • 74
    • 93

    Slight Chance Thunderstorms

    • 73
    • 92

    Slight Chance Thunderstorms

Today 27 Aug Lee

Sunny. Highs in the lower 80s. North Winds around 5 Mph.

Tonight 27 Aug Lee

Mostly clear. Lows in the upper 50s. North Winds around 5 Mph in the Evening, becoming light and variable.

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Fort Madison Temperature Statistics

August Temperature

Fort Madison Municipal Airport (1.9 miles)

  • Lowest 24 August, 2026

    53.6 °F

  • Average August

    73.7 °F

  • Highest 11 August, 2026

    89.6 °F

Climate (2021–2026)

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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