S
M
T
W
T
F
S
26
98°
79°
27
99°
79°
28
99°
77°
29
96°
77°
30
95°
75°
31
96°
76°
1
99°
71°
2
85°
68°
3
91°
67°
4
95°
68°
5
97°
74°
6
98°
73°
7
98°
74°
8
99°
73°
9
97°
74°
10
96°
73°
11
96°
74°
12
98°
75°
13
96°
75°
14
99°
74°
15
92°
71°
16
88°
68°
17
95°
75°
18
95°
75°
19
94°
74°
20
96°
75°
21
95°
75°
22
95°
74°
23
94°
74°
24
94°
73°
25
95°
74°
26
95°
74°
27
94°
73°
28
94°
74°
29
93°
72°
30
94°
73°
31
93°
73°
1
92°
72°
2
94°
73°
3
95°
72°
4
94°
73°
5
93°
71°
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 85° to 99°, with overnight lows between 67° and 75°. The average high for August is 95° with an average low of 73°. 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.
