S
M
T
W
T
F
S
27
82°
64°
28
79°
59°
29
78°
54°
30
79°
59°
1
79°
59°
2
91°
64°
3
100°
66°
4
97°
64°
5
96°
64°
6
92°
62°
7
90°
62°
8
88°
60°
9
87°
64°
10
80°
63°
11
82°
65°
12
86°
65°
13
85°
64°
14
82°
62°
15
72°
54°
16
78°
57°
17
77°
56°
18
78°
58°
19
79°
57°
20
79°
56°
21
78°
56°
22
74°
55°
23
70°
55°
24
73°
52°
25
77°
54°
26
77°
54°
27
76°
53°
28
77°
54°
29
76°
53°
30
73°
53°
31
77°
52°
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 70° to 100°, with overnight lows between 52° and 66°. The average high for October is 82° with an average low of 58°. 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.
