S
M
T
W
T
F
S
26
61°
50°
27
59°
49°
28
59°
48°
29
60°
48°
30
58°
49°
1
59°
48°
2
61°
49°
3
62°
50°
4
62°
51°
5
63°
52°
6
65°
52°
7
67°
53°
8
67°
54°
9
68°
56°
10
70°
56°
11
72°
59°
12
71°
57°
13
67°
54°
14
72°
56°
15
73°
58°
16
74°
61°
17
74°
61°
18
70°
55°
19
69°
55°
20
69°
58°
21
70°
56°
22
70°
57°
23
72°
63°
24
75°
65°
25
77°
64°
26
78°
61°
27
79°
62°
28
79°
64°
29
78°
61°
30
79°
62°
31
78°
63°
1
79°
67°
2
80°
66°
3
80°
67°
4
79°
64°
5
79°
62°
6
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Omis
Omis's May 2026 forecast shows daily high temperatures ranging from 58° to 80°, with overnight lows between 48° and 67°. The average high for May is 71° with an average low of 57°. 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 Omis. See also: June | July | August.