S
M
T
W
T
F
S
26
65°
53°
27
70°
52°
28
73°
42°
29
80°
54°
30
73°
59°
1
60°
50°
2
55°
46°
3
69°
40°
4
80°
43°
5
81°
50°
6
81°
58°
7
75°
54°
8
72°
49°
9
75°
51°
10
84°
58°
11
71°
49°
12
73°
42°
13
80°
47°
14
71°
45°
15
77°
49°
16
85°
59°
17
90°
62°
18
92°
62°
19
92°
63°
20
92°
65°
21
82°
62°
22
80°
63°
23
81°
62°
24
79°
59°
25
82°
60°
26
84°
62°
27
85°
60°
28
85°
63°
29
85°
64°
30
84°
64°
31
84°
62°
1
79°
61°
2
80°
64°
3
80°
62°
4
79°
60°
5
81°
64°
6
87°
66°
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 71° to 92°, with overnight lows between 45° and 66°. The average high for May is 83° with an average low of 61°. 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.
