S
M
T
W
T
F
S
26
84°
71°
27
89°
68°
28
88°
67°
29
88°
70°
30
89°
71°
31
86°
67°
1
86°
71°
2
90°
72°
3
91°
70°
4
90°
67°
5
85°
68°
6
85°
69°
7
86°
69°
8
86°
66°
9
87°
66°
10
87°
69°
11
86°
70°
12
88°
70°
13
86°
69°
14
87°
70°
15
89°
70°
16
89°
66°
17
88°
65°
18
84°
65°
19
84°
70°
20
86°
65°
21
86°
65°
22
84°
66°
23
85°
69°
24
88°
67°
25
87°
66°
26
88°
66°
27
88°
63°
28
82°
62°
29
81°
63°
30
82°
63°
31
84°
65°
1
86°
67°
2
87°
67°
3
87°
66°
4
86°
67°
5
86°
67°
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 81° to 91°, with overnight lows between 62° and 72°. The average high for August is 86° with an average low of 67°. 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.
