S
M
T
W
T
F
S
26
79°
55°
27
78°
56°
28
78°
56°
29
79°
55°
30
79°
55°
31
80°
56°
1
80°
61°
2
82°
64°
3
81°
62°
4
80°
57°
5
83°
57°
6
84°
63°
7
87°
62°
8
86°
63°
9
87°
64°
10
86°
56°
11
83°
55°
12
78°
56°
13
80°
55°
14
79°
56°
15
79°
58°
16
87°
64°
17
87°
63°
18
Hist. Avg.
80°
57°
19
Hist. Avg.
80°
57°
20
Hist. Avg.
80°
57°
21
Hist. Avg.
79°
56°
22
Hist. Avg.
79°
56°
23
Hist. Avg.
79°
56°
24
Hist. Avg.
79°
56°
25
Hist. Avg.
79°
56°
26
Hist. Avg.
78°
56°
27
Hist. Avg.
78°
55°
28
Hist. Avg.
78°
55°
29
Hist. Avg.
78°
55°
30
Hist. Avg.
78°
55°
31
Hist. Avg.
77°
54°
1
Hist. Avg.
77°
54°
2
Hist. Avg.
77°
54°
3
Hist. Avg.
77°
54°
4
Hist. Avg.
76°
53°
5
Hist. Avg.
76°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Mount Pleasant
Mount Pleasant's August 2026 forecast shows daily high temperatures ranging from 78° to 87°, with overnight lows between 55° and 64°. The average high for August is 82° with an average low of 59°. 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.
