S
M
T
W
T
F
S
26
66°
41°
27
71°
42°
28
62°
49°
29
49°
42°
30
52°
35°
1
48°
31°
2
55°
30°
3
64°
37°
4
77°
45°
5
60°
44°
6
54°
36°
7
54°
37°
8
65°
32°
9
66°
43°
10
59°
34°
11
58°
37°
12
62°
32°
13
55°
43°
14
68°
42°
15
72°
53°
16
80°
50°
17
73°
60°
18
84°
64°
19
77°
48°
20
62°
40°
21
63°
44°
22
67°
47°
23
75°
49°
24
71°
51°
25
72°
54°
26
73°
55°
27
74°
54°
28
73°
59°
29
72°
55°
30
69°
52°
31
67°
47°
1
68°
47°
2
68°
48°
3
69°
52°
4
71°
58°
5
79°
59°
6
81°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mount Pleasant
Mount Pleasant's May 2026 forecast shows daily high temperatures ranging from 62° to 84°, with overnight lows between 40° and 64°. The average high for May is 72° with an average low of 52°. 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 Mount Pleasant. See also: June | July | August.
