S
M
T
W
T
F
S
27
90°
67°
28
89°
65°
29
88°
67°
30
86°
66°
1
85°
62°
2
83°
63°
3
84°
65°
4
88°
66°
5
88°
65°
6
87°
65°
7
85°
64°
8
81°
64°
9
82°
63°
10
82°
64°
11
79°
61°
12
79°
61°
13
84°
63°
14
85°
62°
15
83°
63°
16
81°
62°
17
86°
63°
18
85°
63°
19
78°
58°
20
77°
54°
21
77°
54°
22
78°
55°
23
78°
55°
24
77°
56°
25
77°
53°
26
78°
54°
27
78°
54°
28
79°
56°
29
79°
55°
30
78°
56°
31
76°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in La Jolla
La Jolla's October 2026 forecast shows daily high temperatures ranging from 76° to 90°, with overnight lows between 53° and 67°. The average high for October is 82° with an average low of 61°. 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 La Jolla. See also: November | December | January.