The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
De Witt, IA
Content continues below
May
Average Temperature
High
23°
Feels 23
Low
11°
Feels 10
Average Precipitation
12 Days
Rain amount
105.4mm
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
12
13
14
15
16
17
28°
18
26°
19
22°
20
17°
21
19°
22
22°
23
23°
24
23°
25
24°
26
24°
27
24°
28
25°
29
25°
30
24°
31
24°
Forecast
Sunday, May 17, 2026
Day
28°
Feels 29
Wind
33 km/h S
Gust
50 km/h
Humidity
58%
P.O.P
40%
Rain
~1 mm
Night
19°
Feels 19
Wind
32 km/h S
Gust
48 km/h
Humidity
94%
P.O.P
60%
Rain
2-4 mm
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.