Fort Madison Weather Forecast
- 63
- 89
Partly Sunny
- 63
- 92
Mostly Sunny
- 65
- 91
Chance Thunderstorms
- 62
- 79
Chance Thunderstorms
- 61
- 81
Chance Thunderstorms
- 61
- 80
Slight Chance Thunderstorms
Today 16 Sep Lee
Mostly sunny. Highs in the upper 80s. East Winds around 5 Mph.
Tonight 16 Sep Lee
Partly cloudy. Lows in the lower 60s. East Winds around 5 Mph.
Fort Madison Temperature Statistics
September Temperature
Fort Madison Municipal Airport (1.9 miles)
Lowest 7 September, 2025
42.8 °FAverage September
65.2 °FHighest 13 September, 2025
96.8 °F
Climate (2020–Present)
Fort Madison Municipal Airport (1.9 miles)
Average Low 2020–2025
45.5 °FAverage 2020–2025
54.7 °FAverage High 2020–2025
64.3 °F