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°
63°
5
96°
64°
6
92°
62°
7
90°
62°
8
85°
64°
9
85°
67°
10
81°
63°
11
76°
62°
12
73°
60°
13
80°
60°
14
78°
60°
15
79°
60°
16
83°
57°
17
84°
56°
18
78°
58°
19
78°
56°
20
78°
55°
21
77°
56°
22
77°
55°
23
76°
55°
24
77°
54°
25
77°
54°
26
76°
53°
27
72°
49°
28
68°
47°
29
68°
46°
30
69°
45°
31
69°
46°
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 68° to 100°, with overnight lows between 45° and 67°. The average high for October is 79° with an average low of 57°. 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.
