S
M
T
W
T
F
S
27
91°
77°
28
91°
77°
29
93°
75°
30
93°
77°
1
N/A
2
86°
71°
3
86°
71°
4
86°
71°
5
86°
71°
6
87°
72°
7
86°
70°
8
83°
71°
9
83°
70°
10
84°
71°
11
82°
69°
12
81°
68°
13
82°
68°
14
84°
69°
15
80°
68°
16
79°
70°
17
79°
70°
18
80°
69°
19
80°
70°
20
81°
69°
21
80°
69°
22
80°
68°
23
81°
69°
24
80°
69°
25
81°
68°
26
80°
69°
27
81°
69°
28
80°
68°
29
79°
69°
30
79°
69°
31
80°
68°
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 79° to 87°, with overnight lows between 68° and 72°. The average high for October is 82° with an average low of 69°. 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.
