S
M
T
W
T
F
S
26
86°
65°
27
87°
62°
28
74°
66°
29
72°
61°
30
75°
61°
31
81°
60°
1
85°
68°
2
81°
61°
3
83°
60°
4
86°
62°
5
85°
61°
6
82°
62°
7
80°
58°
8
81°
58°
9
82°
61°
10
81°
58°
11
79°
62°
12
81°
61°
13
81°
61°
14
78°
60°
15
75°
57°
16
76°
60°
17
79°
61°
18
79°
61°
19
76°
60°
20
77°
58°
21
78°
60°
22
77°
60°
23
79°
58°
24
81°
52°
25
71°
53°
26
73°
59°
27
75°
60°
28
78°
60°
29
80°
59°
30
75°
52°
31
71°
50°
1
70°
52°
2
69°
51°
3
69°
49°
4
70°
53°
5
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Canastota
Canastota's August 2026 forecast shows daily high temperatures ranging from 69° to 86°, with overnight lows between 49° and 68°. 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 Canastota. See also: September | October | November.