S
M
T
W
T
F
S
26
95°
72°
27
94°
75°
28
89°
71°
29
85°
64°
30
86°
64°
31
74°
69°
1
74°
65°
2
80°
62°
3
83°
62°
4
84°
65°
5
87°
67°
6
82°
67°
7
85°
70°
8
88°
69°
9
91°
70°
10
89°
69°
11
90°
69°
12
88°
67°
13
88°
69°
14
87°
65°
15
82°
61°
16
82°
63°
17
91°
70°
18
91°
71°
19
92°
70°
20
91°
69°
21
89°
68°
22
90°
69°
23
90°
69°
24
89°
68°
25
85°
68°
26
87°
67°
27
86°
67°
28
88°
66°
29
88°
66°
30
87°
66°
31
87°
66°
1
88°
65°
2
88°
65°
3
87°
64°
4
86°
64°
5
87°
65°
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 74° to 92°, with overnight lows between 61° and 71°. The average high for August is 87° with an average low of 67°. 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.
