S
M
T
W
T
F
S
26
99°
74°
27
100°
71°
28
99°
71°
29
100°
73°
30
101°
75°
31
104°
73°
1
98°
73°
2
95°
65°
3
98°
66°
4
100°
72°
5
101°
73°
6
101°
73°
7
102°
71°
8
93°
71°
9
96°
69°
10
96°
72°
11
98°
74°
12
99°
76°
13
99°
78°
14
99°
77°
15
100°
78°
16
101°
76°
17
103°
71°
18
104°
75°
19
103°
74°
20
104°
76°
21
100°
76°
22
105°
71°
23
104°
76°
24
96°
75°
25
100°
76°
26
102°
76°
27
96°
72°
28
101°
70°
29
101°
70°
30
102°
71°
31
101°
74°
1
100°
71°
2
98°
73°
3
96°
74°
4
99°
71°
5
101°
74°
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.
