S
M
T
W
T
F
S
26
84°
57°
27
84°
55°
28
79°
61°
29
75°
59°
30
64°
50°
1
68°
45°
2
66°
45°
3
70°
39°
4
81°
52°
5
73°
59°
6
72°
54°
7
70°
46°
8
75°
41°
9
81°
54°
10
84°
55°
11
75°
50°
12
79°
45°
13
81°
55°
14
73°
46°
15
79°
45°
16
84°
63°
17
90°
59°
18
88°
68°
19
90°
72°
20
81°
68°
21
82°
68°
22
77°
68°
23
84°
68°
24
77°
66°
25
76°
68°
26
77°
69°
27
81°
68°
28
83°
68°
29
80°
65°
30
77°
62°
31
82°
61°
1
79°
62°
2
79°
60°
3
80°
61°
4
81°
63°
5
82°
64°
6
94°
74°
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 76° to 94°, with overnight lows between 60° and 74°. The average high for May is 81° with an average low of 65°. 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.
