S
M
T
W
T
F
S
26
81°
58°
27
84°
63°
28
80°
65°
29
81°
66°
30
78°
64°
31
84°
64°
1
87°
72°
2
82°
72°
3
79°
68°
4
82°
69°
5
82°
71°
6
87°
70°
7
87°
68°
8
89°
67°
9
88°
69°
10
88°
65°
11
84°
63°
12
83°
63°
13
82°
62°
14
80°
63°
15
81°
61°
16
79°
60°
17
86°
62°
18
84°
60°
19
83°
66°
20
85°
63°
21
83°
60°
22
81°
64°
23
86°
67°
24
87°
67°
25
86°
66°
26
85°
65°
27
79°
65°
28
79°
66°
29
83°
64°
30
84°
65°
31
84°
65°
1
83°
60°
2
77°
57°
3
75°
57°
4
76°
56°
5
76°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Greenville
Greenville's August 2026 forecast shows daily high temperatures ranging from 75° to 89°, with overnight lows between 56° and 72°. The average high for August is 83° with an average low of 64°. 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 Greenville. See also: September | October | November.
