S
M
T
W
T
F
S
26
75°
55°
27
76°
57°
28
76°
62°
29
78°
63°
30
77°
62°
31
82°
63°
1
83°
62°
2
83°
63°
3
84°
64°
4
83°
59°
5
81°
56°
6
74°
55°
7
73°
54°
8
75°
55°
9
77°
55°
10
79°
56°
11
78°
58°
12
81°
62°
13
79°
63°
14
80°
62°
15
81°
62°
16
83°
59°
17
79°
61°
18
74°
55°
19
74°
56°
20
77°
60°
21
77°
61°
22
75°
61°
23
75°
56°
24
74°
57°
25
79°
61°
26
76°
54°
27
73°
59°
28
77°
61°
29
78°
62°
30
80°
61°
31
77°
60°
1
79°
59°
2
77°
59°
3
78°
58°
4
76°
58°
5
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cassadaga
Cassadaga's August 2026 forecast shows daily high temperatures ranging from 73° to 84°, with overnight lows between 54° and 64°. The average high for August is 78° 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 Cassadaga. See also: September | October | November.