S
M
T
W
T
F
S
1
80°
78°
2
86°
79°
3
86°
79°
4
80°
73°
5
82°
78°
6
82°
73°
7
80°
72°
8
79°
73°
9
76°
68°
10
76°
67°
11
73°
67°
12
75°
66°
13
79°
68°
14
78°
70°
15
76°
71°
16
77°
70°
17
81°
72°
18
82°
72°
19
82°
68°
20
79°
64°
21
80°
65°
22
76°
59°
23
69°
56°
24
73°
63°
25
70°
58°
26
69°
55°
27
69°
60°
28
70°
63°
29
74°
63°
30
75°
62°
1
76°
64°
2
76°
63°
3
74°
60°
4
69°
54°
5
67°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
November Weather in Port Isabel
Port Isabel's November 2026 forecast shows daily high temperatures ranging from 67° to 82°, with overnight lows between 54° and 72°. The average high for November is 75° with an average low of 64°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how November weather will actually feel in Port Isabel. See also: December | January | February.
