S
M
T
W
T
F
S
26
82°
50°
27
81°
51°
28
79°
49°
29
76°
47°
30
77°
45°
31
77°
51°
1
82°
51°
2
80°
50°
3
84°
50°
4
86°
50°
5
85°
51°
6
86°
50°
7
85°
48°
8
84°
49°
9
84°
47°
10
83°
48°
11
85°
47°
12
85°
49°
13
84°
49°
14
85°
48°
15
83°
49°
16
78°
47°
17
78°
49°
18
79°
43°
19
76°
44°
20
76°
48°
21
77°
45°
22
76°
44°
23
77°
47°
24
78°
46°
25
81°
47°
26
83°
48°
27
83°
48°
28
82°
47°
29
82°
46°
30
79°
43°
31
77°
41°
1
76°
42°
2
76°
43°
3
80°
45°
4
81°
47°
5
82°
46°
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 76° to 86°, with overnight lows between 41° and 51°. The average high for August is 81° with an average low of 47°. 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.
