S
M
T
W
T
F
S
26
83°
63°
27
86°
64°
28
82°
64°
29
81°
61°
30
85°
55°
31
85°
60°
1
79°
67°
2
75°
63°
3
81°
59°
4
83°
53°
5
83°
58°
6
84°
64°
7
83°
67°
8
87°
66°
9
87°
72°
10
85°
68°
11
82°
68°
12
83°
65°
13
80°
64°
14
77°
63°
15
76°
62°
16
78°
60°
17
79°
62°
18
79°
62°
19
80°
63°
20
79°
62°
21
78°
58°
22
79°
60°
23
86°
66°
24
78°
57°
25
78°
59°
26
81°
64°
27
85°
64°
28
85°
63°
29
80°
60°
30
77°
57°
31
77°
58°
1
78°
62°
2
80°
63°
3
84°
64°
4
82°
63°
5
83°
62°
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 76° to 87°, with overnight lows between 57° and 72°. The average high for August is 81° with an average low of 63°. 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.
