S
M
T
W
T
F
S
26
93°
75°
27
93°
75°
28
92°
74°
29
90°
74°
30
89°
75°
31
92°
75°
1
93°
74°
2
93°
75°
3
92°
75°
4
93°
74°
5
93°
75°
6
92°
75°
7
90°
74°
8
89°
74°
9
90°
73°
10
92°
74°
11
92°
74°
12
88°
73°
13
88°
74°
14
90°
70°
15
89°
74°
16
93°
73°
17
92°
71°
18
88°
72°
19
89°
72°
20
90°
71°
21
91°
69°
22
86°
67°
23
86°
68°
24
87°
67°
25
88°
68°
26
89°
68°
27
90°
70°
28
92°
71°
29
92°
70°
30
91°
70°
31
92°
71°
1
91°
70°
2
87°
69°
3
87°
69°
4
89°
71°
5
89°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Edisto
Edisto's August 2026 forecast shows daily high temperatures ranging from 86° to 93°, with overnight lows between 67° and 75°. The average high for August is 90° with an average low of 72°. 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 Edisto. See also: September | October | November.