S
M
T
W
T
F
S
26
91°
75°
27
91°
73°
28
84°
72°
29
82°
63°
30
82°
59°
31
82°
66°
1
72°
64°
2
79°
63°
3
82°
59°
4
86°
63°
5
73°
66°
6
79°
68°
7
84°
63°
8
81°
64°
9
86°
66°
10
86°
73°
11
90°
73°
12
82°
72°
13
81°
70°
14
79°
72°
15
88°
70°
16
82°
68°
17
81°
63°
18
81°
63°
19
81°
68°
20
81°
63°
21
82°
63°
22
82°
63°
23
76°
57°
24
75°
52°
25
81°
59°
26
82°
66°
27
82°
61°
28
82°
57°
29
81°
61°
30
88°
69°
31
91°
72°
1
96°
71°
2
95°
70°
3
95°
73°
4
95°
73°
5
91°
72°
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.
