S
M
T
W
T
F
S
26
94°
76°
27
93°
77°
28
93°
77°
29
92°
76°
30
93°
77°
31
93°
78°
1
94°
78°
2
94°
77°
3
95°
78°
4
94°
78°
5
95°
76°
6
94°
78°
7
93°
78°
8
95°
76°
9
94°
77°
10
93°
76°
11
94°
77°
12
95°
77°
13
95°
76°
14
94°
77°
15
95°
77°
16
95°
76°
17
94°
77°
18
95°
77°
19
95°
76°
20
94°
78°
21
95°
71°
22
91°
71°
23
91°
72°
24
90°
73°
25
91°
72°
26
92°
73°
27
93°
73°
28
90°
75°
29
93°
76°
30
94°
76°
31
95°
75°
1
94°
76°
2
95°
76°
3
95°
75°
4
94°
74°
5
94°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Port Neches
Port Neches's August 2026 forecast shows daily high temperatures ranging from 90° to 95°, with overnight lows between 71° and 78°. The average high for August is 94° with an average low of 76°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Port Neches. See also: September | October | November.
