S
M
T
W
T
F
S
27
81°
70°
28
82°
69°
29
81°
66°
30
78°
63°
1
76°
63°
2
73°
64°
3
71°
61°
4
72°
60°
5
72°
60°
6
71°
63°
7
73°
64°
8
76°
66°
9
78°
65°
10
79°
62°
11
74°
60°
12
71°
56°
13
69°
58°
14
70°
61°
15
73°
65°
16
76°
65°
17
77°
64°
18
78°
65°
19
78°
65°
20
77°
64°
21
78°
67°
22
78°
64°
23
79°
62°
24
72°
62°
25
73°
61°
26
72°
62°
27
70°
63°
28
73°
63°
29
77°
62°
30
74°
58°
31
Hist. Avg.
73°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in San Diego
San Diego's October 2026 forecast shows daily high temperatures ranging from 69° to 82°, with overnight lows between 56° and 70°. The average high for October is 75° with an average low of 63°. 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 San Diego. See also: November | December | January.
