S
M
T
W
T
F
S
26
88°
74°
27
91°
75°
28
94°
73°
29
91°
71°
30
86°
67°
31
89°
67°
1
87°
68°
2
85°
70°
3
88°
69°
4
83°
69°
5
86°
69°
6
86°
70°
7
87°
70°
8
89°
71°
9
91°
71°
10
91°
71°
11
96°
71°
12
97°
72°
13
96°
74°
14
98°
75°
15
97°
71°
16
98°
71°
17
98°
70°
18
95°
71°
19
94°
69°
20
93°
68°
21
92°
68°
22
90°
70°
23
91°
67°
24
86°
66°
25
88°
67°
26
90°
70°
27
91°
70°
28
91°
69°
29
90°
70°
30
88°
69°
31
84°
69°
1
84°
68°
2
85°
69°
3
84°
69°
4
86°
68°
5
88°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Clemson
Clemson's August 2026 forecast shows daily high temperatures ranging from 84° to 98°, with overnight lows between 66° and 75°. The average high for August is 91° with an average low of 70°. 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 Clemson. See also: September | October | November.
