S
M
T
W
T
F
S
26
92°
69°
27
92°
67°
28
88°
66°
29
90°
68°
30
91°
70°
31
92°
71°
1
93°
70°
2
92°
71°
3
92°
71°
4
91°
70°
5
92°
71°
6
92°
71°
7
91°
70°
8
91°
70°
9
90°
69°
10
92°
70°
11
92°
71°
12
91°
70°
13
90°
65°
14
86°
66°
15
88°
67°
16
87°
66°
17
88°
69°
18
91°
65°
19
89°
65°
20
90°
66°
21
87°
65°
22
89°
68°
23
90°
68°
24
Hist. Avg.
89°
66°
25
Hist. Avg.
89°
66°
26
Hist. Avg.
88°
66°
27
Hist. Avg.
88°
66°
28
Hist. Avg.
88°
65°
29
Hist. Avg.
88°
65°
30
Hist. Avg.
88°
65°
31
Hist. Avg.
88°
65°
1
Hist. Avg.
88°
64°
2
Hist. Avg.
87°
64°
3
Hist. Avg.
87°
64°
4
Hist. Avg.
87°
64°
5
Hist. Avg.
87°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Spartanburg
Spartanburg's August 2026 forecast shows daily high temperatures ranging from 86° to 93°, with overnight lows between 65° and 71°. The average high for August is 90° with an average low of 68°. 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.
