S
M
T
W
T
F
S
26
65°
36°
27
53°
35°
28
55°
37°
29
58°
40°
30
57°
37°
1
58°
38°
2
61°
45°
3
62°
47°
4
69°
48°
5
69°
50°
6
68°
48°
7
64°
45°
8
67°
47°
9
71°
50°
10
69°
51°
11
72°
52°
12
72°
51°
13
71°
43°
14
61°
41°
15
65°
45°
16
66°
44°
17
66°
43°
18
68°
46°
19
72°
49°
20
74°
53°
21
69°
53°
22
70°
44°
23
67°
45°
24
67°
44°
25
68°
44°
26
68°
46°
27
69°
51°
28
72°
56°
29
76°
51°
30
75°
56°
31
77°
57°
1
74°
51°
2
73°
50°
3
69°
50°
4
74°
57°
5
77°
59°
6
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Constantine
Constantine's May 2026 forecast shows daily high temperatures ranging from 53° to 79°, with overnight lows between 35° and 60°. The average high for May is 68° with an average low of 48°. 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 Constantine. See also: June | July | August.