S
M
T
W
T
F
S
26
57°
39°
27
72°
36°
28
58°
50°
29
56°
50°
30
58°
40°
1
62°
32°
2
53°
36°
3
62°
38°
4
77°
33°
5
82°
50°
6
64°
54°
7
65°
46°
8
65°
36°
9
64°
46°
10
64°
46°
11
64°
41°
12
71°
33°
13
69°
47°
14
53°
45°
15
72°
49°
16
80°
58°
17
86°
57°
18
95°
65°
19
95°
69°
20
82°
50°
21
64°
46°
22
65°
46°
23
66°
52°
24
67°
55°
25
70°
54°
26
76°
56°
27
76°
55°
28
80°
54°
29
78°
53°
30
79°
58°
31
78°
57°
1
76°
55°
2
73°
58°
3
71°
58°
4
75°
57°
5
73°
54°
6
75°
58°
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 64° to 95°, with overnight lows between 46° and 69°. The average high for May is 76° with an average low of 56°. 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.
