S
M
T
W
T
F
S
26
63°
37°
27
64°
32°
28
63°
37°
29
59°
41°
30
55°
34°
1
66°
36°
2
73°
37°
3
73°
45°
4
70°
48°
5
66°
43°
6
59°
43°
7
57°
45°
8
63°
43°
9
68°
45°
10
70°
43°
11
55°
36°
12
46°
32°
13
55°
32°
14
50°
39°
15
50°
37°
16
49°
37°
17
58°
34°
18
63°
37°
19
63°
48°
20
62°
47°
21
66°
50°
22
72°
52°
23
76°
55°
24
77°
56°
25
75°
57°
26
77°
60°
27
80°
59°
28
75°
56°
29
72°
52°
30
71°
53°
31
70°
54°
1
59°
46°
2
59°
45°
3
60°
45°
4
60°
46°
5
62°
50°
6
64°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Ob
Ob's May 2026 forecast shows daily high temperatures ranging from 59° to 80°, with overnight lows between 45° and 60°. The average high for May is 68° with an average low of 52°. 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 Ob. See also: June | July | August.