S
M
T
W
T
F
S
26
98°
63°
27
94°
64°
28
95°
56°
29
78°
60°
30
93°
50°
31
97°
55°
1
98°
60°
2
94°
63°
3
93°
70°
4
92°
56°
5
95°
54°
6
98°
53°
7
100°
51°
8
95°
62°
9
95°
66°
10
92°
59°
11
91°
59°
12
84°
58°
13
80°
59°
14
72°
55°
15
80°
47°
16
89°
49°
17
91°
52°
18
94°
58°
19
94°
63°
20
95°
59°
21
93°
64°
22
89°
63°
23
91°
61°
24
90°
64°
25
92°
51°
26
90°
53°
27
90°
63°
28
77°
59°
29
79°
54°
30
77°
54°
31
78°
51°
1
79°
47°
2
82°
53°
3
82°
54°
4
84°
50°
5
85°
52°
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 ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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.
