S
M
T
W
T
F
S
26
62°
36°
27
72°
35°
28
70°
50°
29
64°
52°
30
52°
42°
1
54°
34°
2
46°
36°
3
54°
35°
4
73°
42°
5
76°
49°
6
49°
43°
7
55°
35°
8
53°
36°
9
56°
36°
10
58°
36°
11
54°
30°
12
59°
30°
13
60°
43°
14
54°
44°
15
61°
43°
16
79°
59°
17
75°
53°
18
88°
69°
19
88°
68°
20
70°
42°
21
58°
39°
22
63°
47°
23
69°
47°
24
68°
51°
25
71°
51°
26
72°
55°
27
72°
54°
28
71°
48°
29
66°
52°
30
67°
53°
31
69°
49°
1
66°
46°
2
66°
45°
3
67°
45°
4
68°
46°
5
70°
54°
6
70°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Oneida
Oneida's May 2026 forecast shows daily high temperatures ranging from 58° to 88°, with overnight lows between 39° and 69°. The average high for May is 70° with an average low of 51°. 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 Oneida. See also: June | July | August.