S
M
T
W
T
F
S
26
89°
65°
27
91°
66°
28
91°
65°
29
84°
64°
30
81°
64°
31
84°
63°
1
88°
65°
2
90°
66°
3
86°
53°
4
81°
56°
5
84°
60°
6
91°
63°
7
89°
61°
8
83°
54°
9
81°
60°
10
83°
62°
11
89°
63°
12
87°
63°
13
90°
62°
14
89°
61°
15
86°
62°
16
88°
61°
17
88°
56°
18
87°
59°
19
84°
55°
20
78°
55°
21
78°
53°
22
77°
49°
23
75°
51°
24
76°
52°
25
79°
55°
26
84°
58°
27
84°
59°
28
85°
58°
29
83°
57°
30
82°
58°
31
83°
58°
1
84°
57°
2
82°
55°
3
82°
55°
4
81°
52°
5
78°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Spokane South
Spokane South's August 2026 forecast shows daily high temperatures ranging from 75° to 91°, with overnight lows between 49° and 66°. The average high for August is 84° with an average low of 59°. 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 Spokane South. See also: September | October | November.
