S
M
T
W
T
F
S
26
89°
76°
27
89°
76°
28
90°
75°
29
91°
76°
30
91°
76°
31
90°
75°
1
91°
77°
2
90°
75°
3
92°
74°
4
90°
74°
5
91°
74°
6
92°
73°
7
90°
74°
8
92°
73°
9
92°
73°
10
93°
74°
11
92°
75°
12
91°
73°
13
90°
73°
14
90°
74°
15
91°
74°
16
90°
73°
17
90°
74°
18
91°
73°
19
92°
73°
20
92°
74°
21
91°
73°
22
91°
73°
23
90°
74°
24
90°
73°
25
92°
73°
26
90°
74°
27
90°
73°
28
91°
74°
29
92°
74°
30
91°
73°
31
90°
74°
1
90°
74°
2
89°
73°
3
89°
74°
4
90°
74°
5
89°
73°
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 89° to 93°, with overnight lows between 73° and 77°. The average high for August is 91° with an average low of 74°. 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.