S
M
T
W
T
F
S
26
76°
57°
27
79°
61°
28
73°
61°
29
68°
59°
30
70°
58°
31
75°
55°
1
77°
58°
2
76°
57°
3
79°
58°
4
80°
57°
5
79°
60°
6
77°
59°
7
77°
59°
8
78°
55°
9
79°
59°
10
77°
59°
11
77°
59°
12
75°
58°
13
75°
59°
14
76°
57°
15
73°
54°
16
73°
57°
17
74°
57°
18
72°
56°
19
75°
57°
20
74°
56°
21
73°
55°
22
74°
56°
23
73°
57°
24
77°
49°
25
69°
50°
26
69°
56°
27
74°
57°
28
77°
57°
29
77°
56°
30
75°
51°
31
69°
47°
1
67°
48°
2
67°
47°
3
68°
46°
4
67°
49°
5
69°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Oneonta
Oneonta's August 2026 forecast shows daily high temperatures ranging from 67° to 80°, with overnight lows between 46° and 61°. The average high for August is 74° with an average low of 56°. 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 Oneonta. See also: September | October | November.
