S
M
T
W
T
F
S
26
80°
59°
27
79°
56°
28
70°
61°
29
80°
61°
30
65°
54°
1
64°
47°
2
64°
48°
3
68°
41°
4
78°
54°
5
77°
63°
6
77°
61°
7
68°
52°
8
70°
51°
9
79°
57°
10
79°
61°
11
76°
51°
12
70°
49°
13
79°
60°
14
80°
59°
15
82°
58°
16
83°
60°
17
80°
59°
18
80°
63°
19
82°
63°
20
81°
64°
21
78°
60°
22
78°
56°
23
76°
56°
24
76°
57°
25
78°
60°
26
79°
58°
27
77°
57°
28
78°
59°
29
79°
61°
30
82°
65°
31
81°
66°
1
82°
67°
2
80°
66°
3
81°
65°
4
81°
64°
5
85°
67°
6
87°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Oneonta
Oneonta's May 2026 forecast shows daily high temperatures ranging from 68° to 87°, with overnight lows between 49° and 68°. The average high for May is 79° with an average low of 60°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Oneonta. See also: June | July | August.
