S
M
T
W
T
F
S
26
52°
44°
27
66°
40°
28
65°
42°
29
67°
46°
30
71°
50°
1
64°
47°
2
57°
49°
3
62°
43°
4
77°
52°
5
83°
62°
6
71°
63°
7
65°
51°
8
68°
44°
9
73°
56°
10
81°
56°
11
65°
44°
12
67°
44°
13
77°
56°
14
65°
56°
15
70°
52°
16
84°
57°
17
86°
63°
18
93°
65°
19
93°
73°
20
93°
73°
21
74°
57°
22
60°
55°
23
63°
60°
24
71°
65°
25
75°
65°
26
72°
66°
27
78°
65°
28
76°
59°
29
78°
58°
30
73°
53°
31
72°
57°
1
76°
59°
2
78°
61°
3
80°
60°
4
78°
62°
5
82°
61°
6
76°
58°
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 63° to 82°, with overnight lows between 53° and 66°. The average high for May is 75° with an average low of 61°. 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.
