S
M
T
W
T
F
S
26
86°
72°
27
90°
72°
28
93°
72°
29
90°
70°
30
88°
64°
31
90°
63°
1
90°
68°
2
86°
70°
3
87°
70°
4
82°
69°
5
85°
68°
6
85°
69°
7
87°
69°
8
87°
70°
9
86°
69°
10
88°
68°
11
89°
71°
12
90°
72°
13
89°
70°
14
90°
71°
15
88°
70°
16
89°
69°
17
90°
71°
18
91°
71°
19
92°
70°
20
92°
71°
21
91°
71°
22
90°
70°
23
90°
70°
24
91°
71°
25
91°
71°
26
90°
70°
27
90°
70°
28
89°
69°
29
89°
69°
30
90°
70°
31
90°
70°
1
89°
69°
2
90°
69°
3
87°
68°
4
84°
64°
5
84°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Spartanburg
Spartanburg's August 2026 forecast shows daily high temperatures ranging from 82° to 92°, with overnight lows between 64° and 72°. The average high for August is 89° with an average low of 70°. 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 Spartanburg. See also: September | October | November.
