S
M
T
W
T
F
S
26
81°
51°
27
83°
61°
28
66°
55°
29
64°
50°
30
67°
40°
1
64°
44°
2
61°
44°
3
78°
41°
4
79°
58°
5
70°
46°
6
63°
43°
7
68°
39°
8
77°
47°
9
81°
56°
10
70°
49°
11
78°
44°
12
83°
51°
13
75°
51°
14
75°
45°
15
84°
58°
16
79°
67°
17
92°
72°
18
81°
74°
19
81°
55°
20
69°
51°
21
73°
52°
22
79°
58°
23
83°
62°
24
85°
65°
25
78°
62°
26
81°
62°
27
81°
64°
28
82°
63°
29
80°
62°
30
79°
65°
31
83°
64°
1
84°
65°
2
83°
64°
3
77°
60°
4
76°
58°
5
79°
65°
6
84°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cahokia
Cahokia's May 2026 forecast shows daily high temperatures ranging from 69° to 92°, with overnight lows between 51° and 74°. The average high for May is 80° with an average low of 63°. 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 Cahokia. See also: June | July | August.
