S
M
T
W
T
F
S
26
95°
74°
27
94°
73°
28
94°
75°
29
93°
75°
30
90°
74°
31
90°
74°
1
92°
74°
2
89°
74°
3
91°
74°
4
91°
73°
5
92°
75°
6
92°
73°
7
93°
72°
8
94°
73°
9
94°
74°
10
93°
73°
11
94°
73°
12
93°
74°
13
94°
74°
14
94°
73°
15
95°
73°
16
94°
72°
17
94°
73°
18
93°
73°
19
94°
72°
20
92°
72°
21
89°
71°
22
89°
73°
23
90°
72°
24
92°
73°
25
94°
72°
26
92°
72°
27
92°
71°
28
91°
72°
29
90°
72°
30
89°
71°
31
88°
72°
1
89°
71°
2
92°
70°
3
89°
68°
4
88°
68°
5
88°
69°
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 88° to 95°, with overnight lows between 68° and 75°. The average high for August is 92° with an average low of 73°. 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.
