S
M
T
W
T
F
S
26
86°
71°
27
86°
76°
28
86°
75°
29
85°
73°
30
88°
67°
1
68°
54°
2
76°
52°
3
79°
51°
4
80°
56°
5
81°
70°
6
85°
75°
7
79°
62°
8
75°
65°
9
85°
67°
10
87°
72°
11
82°
68°
12
85°
64°
13
88°
63°
14
88°
66°
15
85°
67°
16
86°
72°
17
85°
77°
18
86°
78°
19
88°
66°
20
76°
67°
21
79°
68°
22
86°
74°
23
80°
73°
24
77°
70°
25
83°
72°
26
85°
73°
27
83°
72°
28
84°
73°
29
85°
71°
30
89°
73°
31
89°
71°
1
88°
73°
2
90°
72°
3
89°
74°
4
90°
77°
5
87°
74°
6
87°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Port Neches
Port Neches's May 2026 forecast shows daily high temperatures ranging from 77° to 90°, with overnight lows between 70° and 77°. The average high for May is 86° with an average low of 73°. 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 Neches. See also: June | July | August.
