S
M
T
W
T
F
S
26
78°
60°
27
85°
72°
28
79°
62°
29
66°
55°
30
N/A
1
64°
44°
2
69°
40°
3
78°
54°
4
77°
62°
5
74°
53°
6
72°
49°
7
71°
48°
8
75°
53°
9
75°
55°
10
76°
58°
11
77°
60°
12
78°
57°
13
78°
56°
14
77°
57°
15
78°
62°
16
79°
61°
17
80°
63°
18
80°
63°
19
79°
62°
20
80°
63°
21
77°
63°
22
75°
62°
23
74°
58°
24
79°
64°
25
79°
64°
26
75°
57°
27
74°
57°
28
77°
62°
29
78°
64°
30
82°
65°
31
83°
65°
1
83°
64°
2
82°
66°
3
83°
66°
4
84°
63°
5
78°
61°
6
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Opal
Opal's May 2026 forecast shows daily high temperatures ranging from 64° to 84°, with overnight lows between 40° and 66°. The average high for May is 77° with an average low of 59°. 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 Opal. See also: June | July | August.
