S
M
T
W
T
F
S
27
89°
69°
28
84°
65°
29
82°
62°
30
81°
65°
1
80°
65°
2
89°
70°
3
96°
71°
4
94°
72°
5
93°
72°
6
92°
71°
7
94°
70°
8
94°
69°
9
90°
71°
10
87°
68°
11
89°
70°
12
87°
69°
13
85°
67°
14
77°
59°
15
79°
61°
16
80°
64°
17
79°
64°
18
81°
63°
19
81°
64°
20
80°
63°
21
79°
63°
22
75°
62°
23
72°
61°
24
76°
60°
25
79°
61°
26
79°
61°
27
78°
60°
28
79°
61°
29
77°
60°
30
74°
60°
31
79°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Seal Beach
Seal Beach's October 2026 forecast shows daily high temperatures ranging from 72° to 96°, with overnight lows between 59° and 72°. The average high for October is 83° with an average low of 65°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Seal Beach. See also: November | December | January.
