S
M
T
W
T
F
S
27
67°
59°
28
63°
59°
29
71°
58°
30
76°
63°
1
71°
65°
2
80°
61°
3
71°
57°
4
64°
57°
5
70°
51°
6
64°
48°
7
64°
53°
8
69°
57°
9
67°
53°
10
65°
51°
11
63°
52°
12
66°
53°
13
65°
52°
14
64°
49°
15
58°
44°
16
60°
46°
17
67°
53°
18
67°
53°
19
64°
52°
20
65°
48°
21
61°
45°
22
56°
44°
23
58°
46°
24
64°
50°
25
65°
50°
26
64°
44°
27
54°
41°
28
55°
40°
29
58°
44°
30
57°
45°
31
58°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Oceanside
Oceanside's October 2026 forecast shows daily high temperatures ranging from 54° to 80°, with overnight lows between 40° and 65°. The average high for October is 64° with an average low of 50°. 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.
