S
M
T
W
T
F
S
27
82°
64°
28
79°
59°
29
78°
54°
30
79°
59°
1
79°
59°
2
94°
58°
3
105°
64°
4
100°
67°
5
101°
65°
6
95°
64°
7
89°
63°
8
81°
61°
9
81°
62°
10
81°
65°
11
72°
63°
12
70°
56°
13
72°
53°
14
78°
50°
15
94°
53°
16
96°
56°
17
N/A
18
84°
56°
19
81°
60°
20
77°
62°
21
76°
61°
22
75°
56°
23
74°
54°
24
78°
57°
25
77°
55°
26
76°
55°
27
76°
53°
28
75°
56°
29
75°
56°
30
74°
57°
31
76°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Oceanside
Oceanside's October 2026 forecast shows daily high temperatures ranging from 74° to 84°, with overnight lows between 52° and 62°. The average high for October is 77° with an average low of 56°. 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 Oceanside. See also: November | December | January.