Fort Madison Weather Forecast

    • 67
    • 80

    Chance Rain Showers

    • 68
    • 87

    Chance Thunderstorms

    • 70
    • 86

    Chance Thunderstorms

    • 73
    • 89

    Slight Chance Thunderstorms

    • 71
    • 90

    Chance Rain Showers

    • 68
    • 86

    Rain Showers Likely

Today 6 Aug Lee

Patchy fog this morning. Cloudy with a chance of Showers this Morning, then partly sunny with a slight chance of Showers this afternoon. Highs in the upper 70s. Southeast Winds around 5 Mph. Chance of rain 40 percent.

Tonight 6 Aug Lee

Partly cloudy. Humid with Lows in the upper 60s. Light and variable Winds, becoming east around 5 Mph after midnight.

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Fort Madison Temperature Statistics

August Temperature

Fort Madison Municipal Airport (1.9 miles)

  • Lowest 3 August, 2026

    60.8 °F

  • Average August

    70.4 °F

  • Highest 3 August, 2026

    82.4 °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

    55 °F

  • Average High 2021–2026

    64.7 °F
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