S
M
T
W
T
F
S
28
72°
62°
29
74°
64°
30
73°
64°
1
74°
64°
2
78°
64°
3
82°
60°
4
82°
64°
5
82°
63°
6
81°
63°
7
84°
64°
8
85°
65°
9
86°
64°
10
84°
63°
11
82°
65°
12
84°
66°
13
90°
67°
14
92°
68°
15
90°
67°
16
91°
70°
17
88°
67°
18
88°
67°
19
87°
69°
20
89°
69°
21
90°
70°
22
90°
70°
23
89°
69°
24
91°
71°
25
91°
71°
26
90°
70°
27
90°
70°
28
89°
69°
29
90°
70°
30
91°
70°
31
90°
69°
1
89°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in La Jolla
La Jolla's July 2026 forecast shows daily high temperatures ranging from 81° to 92°, with overnight lows between 63° and 71°. The average high for July is 88° with an average low of 68°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in La Jolla. See also: August | September | October.