S
M
T
W
T
F
S
26
84°
58°
27
85°
67°
28
84°
66°
29
85°
66°
30
83°
69°
31
89°
68°
1
86°
68°
2
86°
75°
3
89°
73°
4
87°
66°
5
86°
72°
6
92°
76°
7
93°
73°
8
91°
71°
9
92°
71°
10
90°
70°
11
88°
70°
12
89°
72°
13
88°
71°
14
89°
71°
15
90°
68°
16
78°
69°
17
89°
71°
18
90°
71°
19
89°
67°
20
86°
66°
21
81°
65°
22
75°
67°
23
84°
63°
24
82°
60°
25
81°
61°
26
82°
66°
27
81°
67°
28
83°
64°
29
84°
63°
30
80°
63°
31
81°
62°
1
80°
61°
2
80°
60°
3
78°
61°
4
83°
61°
5
79°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mount Pleasant
Mount Pleasant's August 2026 forecast shows daily high temperatures ranging from 75° to 84°, with overnight lows between 59° and 67°. The average high for August is 81° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Mount Pleasant. See also: September | October | November.
