S
M
T
W
T
F
S
26
82°
63°
27
78°
65°
28
84°
65°
29
85°
66°
30
84°
65°
31
85°
66°
1
86°
65°
2
84°
66°
3
85°
65°
4
82°
64°
5
84°
65°
6
83°
65°
7
83°
60°
8
77°
58°
9
77°
59°
10
79°
63°
11
83°
65°
12
83°
65°
13
85°
66°
14
84°
64°
15
84°
63°
16
80°
59°
17
79°
63°
18
78°
63°
19
84°
62°
20
83°
63°
21
84°
60°
22
83°
55°
23
75°
54°
24
76°
54°
25
77°
55°
26
79°
54°
27
81°
53°
28
80°
60°
29
80°
60°
30
75°
59°
31
76°
60°
1
81°
60°
2
81°
53°
3
80°
51°
4
73°
57°
5
73°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cascade Mountain
Cascade Mountain's August 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 51° and 66°. The average high for August is 81° with an average low of 61°. 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 Cascade Mountain. See also: September | October | November.
