S
M
T
W
T
F
S
26
74°
57°
27
77°
53°
28
59°
48°
29
63°
44°
30
65°
41°
1
65°
38°
2
64°
42°
3
82°
46°
4
81°
59°
5
59°
47°
6
61°
45°
7
68°
41°
8
69°
51°
9
83°
51°
10
69°
51°
11
77°
46°
12
81°
54°
13
79°
54°
14
78°
54°
15
83°
63°
16
87°
64°
17
83°
68°
18
81°
61°
19
65°
53°
20
65°
50°
21
66°
55°
22
71°
60°
23
79°
56°
24
80°
51°
25
82°
56°
26
80°
59°
27
83°
65°
28
79°
66°
29
77°
65°
30
81°
66°
31
83°
65°
1
84°
60°
2
83°
61°
3
80°
60°
4
79°
59°
5
81°
64°
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 77° to 87°, with overnight lows between 59° and 66°. The average high for May is 81° 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 Edwardsville. See also: June | July | August.
