S
M
T
W
T
F
S
26
55°
35°
27
67°
37°
28
63°
48°
29
63°
46°
30
60°
41°
1
63°
48°
2
61°
44°
3
59°
45°
4
81°
55°
5
84°
60°
6
71°
48°
7
64°
43°
8
65°
53°
9
68°
46°
10
74°
50°
11
59°
42°
12
65°
47°
13
75°
53°
14
65°
48°
15
65°
47°
16
80°
61°
17
86°
62°
18
92°
71°
19
94°
72°
20
92°
55°
21
59°
54°
22
62°
51°
23
53°
50°
24
57°
52°
25
73°
57°
26
80°
64°
27
79°
60°
28
77°
50°
29
75°
54°
30
64°
42°
31
74°
56°
1
74°
43°
2
76°
51°
3
82°
54°
4
87°
58°
5
90°
65°
6
88°
64°
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 ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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.
