S
M
T
W
T
F
S
26
57°
33°
27
69°
40°
28
56°
46°
29
54°
45°
30
51°
37°
1
51°
34°
2
49°
30°
3
53°
42°
4
61°
51°
5
60°
44°
6
49°
39°
7
50°
39°
8
51°
38°
9
52°
40°
10
56°
42°
11
56°
40°
12
58°
43°
13
57°
44°
14
56°
44°
15
57°
41°
16
56°
43°
17
57°
43°
18
59°
50°
19
61°
50°
20
64°
49°
21
66°
51°
22
64°
47°
23
58°
50°
24
64°
46°
25
58°
44°
26
60°
48°
27
60°
52°
28
61°
53°
29
65°
52°
30
62°
47°
31
62°
44°
1
60°
44°
2
60°
45°
3
62°
46°
4
61°
47°
5
61°
46°
6
62°
49°
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 49° to 66°, with overnight lows between 30° and 53°. The average high for May is 58° with an average low of 45°. 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.
