S
M
T
W
T
F
S
26
85°
64°
27
89°
72°
28
89°
67°
29
89°
72°
30
87°
67°
31
91°
65°
1
91°
69°
2
91°
75°
3
88°
74°
4
84°
75°
5
90°
73°
6
92°
75°
7
93°
75°
8
93°
75°
9
94°
73°
10
93°
75°
11
93°
73°
12
95°
73°
13
96°
77°
14
99°
74°
15
88°
70°
16
91°
73°
17
98°
75°
18
92°
72°
19
89°
71°
20
93°
69°
21
89°
68°
22
88°
70°
23
89°
70°
24
86°
69°
25
84°
69°
26
87°
71°
27
88°
72°
28
89°
72°
29
89°
69°
30
84°
68°
31
81°
70°
1
82°
71°
2
83°
70°
3
83°
70°
4
84°
69°
5
87°
70°
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 81° to 99°, with overnight lows between 68° and 77°. The average high for August is 89° with an average low of 71°. 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.
