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Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Fort Madison, IA
Content continues below
May
Average Temperature
High
23°
Feels 24
Low
13°
Feels 12
Average Precipitation
11 Days
Rain amount
99mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
22°
12
26°
13
22°
14
24°
15
31°
16
30°
17
30°
18
29°
19
27°
20
29°
21
28°
22
28°
23
28°
24
29°
25
24°
26
27
28
29
30
31
Forecast
Monday, May 11, 2026
Day
22°
Feels 22
Wind
10 km/h NE
Gust
15 km/h
Humidity
38%
P.O.P
20%
Night
12°
Feels 10
Wind
15 km/h E
Gust
23 km/h
Humidity
77%
P.O.P
20%
Historical Averages
May 11
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.