S
M
T
W
T
F
S
26
57°
37°
27
52°
50°
28
55°
46°
29
55°
37°
30
55°
43°
1
54°
50°
2
55°
45°
3
66°
43°
4
59°
52°
5
57°
52°
6
55°
52°
7
55°
50°
8
57°
43°
9
63°
43°
10
59°
52°
11
61°
45°
12
61°
45°
13
61°
50°
14
59°
50°
15
55°
41°
16
55°
44°
17
61°
46°
18
63°
47°
19
63°
47°
20
63°
47°
21
66°
47°
22
62°
48°
23
68°
50°
24
66°
49°
25
57°
48°
26
57°
47°
27
59°
49°
28
58°
50°
29
60°
48°
30
55°
44°
31
56°
45°
1
63°
52°
2
66°
53°
3
64°
52°
4
62°
50°
5
58°
47°
6
63°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Ona
Ona's May 2026 forecast shows daily high temperatures ranging from 55° to 68°, with overnight lows between 44° and 53°. The average high for May is 61° with an average low of 48°. 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 Ona. See also: June | July | August.
