S
M
T
W
T
F
S
26
78°
50°
27
63°
46°
28
69°
42°
29
58°
42°
30
67°
43°
1
76°
47°
2
60°
50°
3
62°
50°
4
77°
49°
5
59°
48°
6
56°
51°
7
67°
49°
8
73°
49°
9
79°
50°
10
85°
58°
11
83°
59°
12
82°
59°
13
74°
58°
14
85°
56°
15
65°
54°
16
58°
54°
17
74°
53°
18
66°
53°
19
58°
55°
20
78°
55°
21
64°
58°
22
67°
58°
23
79°
59°
24
71°
54°
25
66°
57°
26
67°
59°
27
72°
58°
28
84°
59°
29
63°
48°
30
59°
48°
31
64°
52°
1
72°
54°
2
75°
57°
3
77°
54°
4
73°
57°
5
75°
58°
6
75°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Opeti
Opeti's May 2026 forecast shows daily high temperatures ranging from 59° to 84°, with overnight lows between 48° and 59°. The average high for May is 72° with an average low of 55°. 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 Opeti. See also: June | July | August.