S
M
T
W
T
F
S
26
78°
52°
27
78°
60°
28
65°
55°
29
63°
44°
30
66°
40°
1
62°
43°
2
61°
43°
3
76°
43°
4
75°
58°
5
71°
46°
6
61°
44°
7
67°
38°
8
72°
49°
9
78°
50°
10
70°
50°
11
76°
43°
12
81°
51°
13
73°
52°
14
73°
46°
15
83°
55°
16
76°
65°
17
86°
63°
18
77°
63°
19
77°
60°
20
67°
55°
21
69°
51°
22
67°
61°
23
73°
63°
24
81°
58°
25
81°
54°
26
83°
62°
27
85°
66°
28
87°
64°
29
83°
65°
30
83°
62°
31
83°
65°
1
84°
61°
2
82°
57°
3
80°
58°
4
81°
65°
5
87°
66°
6
87°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Edwardsville
Edwardsville's May 2026 forecast shows daily high temperatures ranging from 80° to 87°, with overnight lows between 57° and 66°. The average high for May is 83° with an average low of 62°. 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 Edwardsville. See also: June | July | August.
