S
M
T
W
T
F
S
26
86°
73°
27
87°
72°
28
90°
73°
29
91°
74°
30
91°
73°
31
90°
73°
1
90°
72°
2
86°
72°
3
87°
71°
4
90°
72°
5
91°
73°
6
89°
73°
7
89°
69°
8
90°
70°
9
86°
69°
10
89°
68°
11
88°
69°
12
90°
68°
13
90°
71°
14
91°
71°
15
90°
70°
16
88°
70°
17
86°
67°
18
87°
71°
19
89°
71°
20
86°
70°
21
88°
71°
22
84°
69°
23
87°
67°
24
89°
67°
25
90°
70°
26
90°
70°
27
88°
67°
28
84°
66°
29
86°
66°
30
85°
67°
31
86°
69°
1
83°
68°
2
83°
66°
3
82°
64°
4
81°
63°
5
82°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Keowee
Keowee's August 2026 forecast shows daily high temperatures ranging from 81° to 91°, with overnight lows between 63° and 74°. The average high for August is 88° with an average low of 69°. 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 Keowee. See also: September | October | November.