S
M
T
W
T
F
S
26
89°
56°
27
90°
60°
28
91°
57°
29
88°
59°
30
92°
51°
31
96°
58°
1
91°
58°
2
77°
53°
3
80°
50°
4
84°
52°
5
90°
51°
6
95°
53°
7
95°
57°
8
92°
61°
9
90°
60°
10
91°
56°
11
90°
64°
12
88°
63°
13
86°
61°
14
86°
58°
15
83°
53°
16
94°
64°
17
95°
64°
18
95°
62°
19
94°
60°
20
97°
64°
21
94°
66°
22
87°
59°
23
86°
59°
24
91°
58°
25
91°
58°
26
90°
57°
27
87°
56°
28
86°
58°
29
85°
54°
30
79°
50°
31
89°
59°
1
89°
59°
2
88°
58°
3
88°
59°
4
87°
58°
5
86°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Okanogan
Okanogan's August 2026 forecast shows daily high temperatures ranging from 79° to 97°, with overnight lows between 50° and 66°. The average high for August is 89° 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 Okanogan. See also: September | October | November.
