S
M
T
W
T
F
S
26
85°
77°
27
85°
78°
28
85°
77°
29
85°
72°
30
86°
69°
1
73°
58°
2
77°
57°
3
79°
55°
4
80°
63°
5
83°
75°
6
84°
70°
7
75°
67°
8
81°
66°
9
88°
72°
10
87°
72°
11
84°
68°
12
85°
64°
13
84°
66°
14
84°
67°
15
85°
76°
16
86°
75°
17
85°
79°
18
81°
78°
19
84°
77°
20
83°
76°
21
81°
74°
22
81°
77°
23
81°
77°
24
80°
76°
25
84°
75°
26
83°
74°
27
84°
78°
28
84°
76°
29
86°
75°
30
86°
76°
31
85°
77°
1
83°
78°
2
84°
78°
3
83°
77°
4
83°
77°
5
84°
79°
6
83°
79°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Port O'Connor
Port O'Connor's May 2026 forecast shows daily high temperatures ranging from 80° to 86°, with overnight lows between 74° and 79°. The average high for May is 83° with an average low of 77°. 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 Port O'Connor. See also: June | July | August.
