S
M
T
W
T
F
S
27
84°
72°
28
84°
63°
29
86°
61°
30
90°
66°
1
93°
61°
2
106°
65°
3
106°
76°
4
102°
77°
5
103°
74°
6
104°
70°
7
96°
69°
8
92°
68°
9
89°
66°
10
83°
67°
11
83°
63°
12
78°
61°
13
81°
58°
14
80°
60°
15
83°
58°
16
85°
61°
17
87°
62°
18
87°
60°
19
79°
57°
20
82°
61°
21
81°
60°
22
81°
61°
23
80°
60°
24
80°
60°
25
81°
59°
26
80°
60°
27
75°
54°
28
71°
53°
29
71°
52°
30
72°
51°
31
72°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in La Mesa
La Mesa's October 2026 forecast shows daily high temperatures ranging from 71° to 104°, with overnight lows between 51° and 70°. The average high for October is 82° with an average low of 60°. 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 Mesa. See also: November | December | January.
