S
M
T
W
T
F
S
27
73°
56°
28
70°
49°
29
83°
50°
30
83°
51°
1
81°
55°
2
87°
56°
3
99°
55°
4
96°
59°
5
91°
61°
6
87°
59°
7
88°
61°
8
82°
60°
9
75°
62°
10
75°
60°
11
68°
56°
12
69°
52°
13
78°
45°
14
84°
48°
15
93°
48°
16
98°
52°
17
96°
58°
18
88°
54°
19
74°
52°
20
75°
48°
21
73°
55°
22
67°
54°
23
69°
56°
24
77°
49°
25
72°
50°
26
74°
51°
27
74°
49°
28
70°
55°
29
69°
54°
30
71°
52°
31
76°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in San Luis Obispo
San Luis Obispo's October 2026 forecast shows daily high temperatures ranging from 69° to 77°, with overnight lows between 49° and 55°. The average high for October is 73° with an average low of 52°. 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 Luis Obispo. See also: November | December | January.
