S
M
T
W
T
F
S
26
92°
75°
27
96°
72°
28
88°
65°
29
87°
66°
30
86°
67°
31
81°
64°
1
83°
60°
2
85°
62°
3
87°
64°
4
88°
63°
5
86°
64°
6
87°
60°
7
85°
63°
8
84°
62°
9
85°
65°
10
86°
66°
11
84°
66°
12
84°
65°
13
80°
60°
14
79°
61°
15
81°
65°
16
83°
65°
17
83°
64°
18
79°
65°
19
79°
64°
20
80°
64°
21
81°
63°
22
86°
64°
23
87°
65°
24
86°
64°
25
85°
65°
26
88°
66°
27
87°
65°
28
86°
64°
29
84°
63°
30
81°
62°
31
77°
60°
1
76°
60°
2
75°
62°
3
76°
62°
4
81°
63°
5
83°
62°
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 96°, with overnight lows between 60° and 75°. The average high for August is 84° with an average low of 64°. 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.
