S
M
T
W
T
F
S
26
80°
52°
27
65°
58°
28
64°
54°
29
64°
46°
30
64°
39°
1
59°
45°
2
58°
40°
3
68°
39°
4
75°
53°
5
68°
45°
6
60°
42°
7
64°
38°
8
70°
47°
9
76°
51°
10
70°
51°
11
73°
44°
12
79°
46°
13
72°
53°
14
70°
53°
15
78°
66°
16
77°
63°
17
85°
67°
18
84°
66°
19
78°
61°
20
71°
53°
21
73°
54°
22
72°
55°
23
77°
58°
24
78°
60°
25
78°
61°
26
79°
63°
27
80°
58°
28
81°
62°
29
82°
61°
30
75°
58°
31
75°
57°
1
76°
56°
2
75°
55°
3
76°
58°
4
79°
64°
5
84°
65°
6
85°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in St. Elmo
St. Elmo's May 2026 forecast shows daily high temperatures ranging from 70° to 85°, with overnight lows between 53° and 67°. The average high for May is 78° with an average low of 60°. 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 St. Elmo. See also: June | July | August.
