S
M
T
W
T
F
S
26
64°
44°
27
65°
47°
28
71°
48°
29
65°
50°
30
66°
46°
1
69°
44°
2
66°
47°
3
68°
49°
4
73°
48°
5
70°
54°
6
74°
57°
7
76°
55°
8
71°
55°
9
68°
52°
10
69°
48°
11
69°
47°
12
67°
46°
13
68°
49°
14
69°
53°
15
70°
49°
16
71°
57°
17
76°
53°
18
71°
49°
19
70°
49°
20
71°
51°
21
74°
60°
22
78°
61°
23
80°
59°
24
73°
59°
25
79°
62°
26
82°
61°
27
82°
58°
28
74°
56°
29
85°
60°
30
84°
61°
31
84°
57°
1
83°
56°
2
84°
55°
3
82°
56°
4
79°
60°
5
80°
59°
6
82°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wentzville Township
Wentzville Township's May 2026 forecast shows daily high temperatures ranging from 64° to 85°, with overnight lows between 44° and 62°. The average high for May is 74° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Wentzville Township. See also: June | July | August.