S
M
T
W
T
F
S
27
78°
65°
28
78°
64°
29
77°
64°
30
78°
63°
1
77°
63°
2
78°
64°
3
78°
61°
4
77°
56°
5
73°
55°
6
72°
57°
7
72°
63°
8
73°
61°
9
75°
60°
10
73°
60°
11
71°
61°
12
72°
61°
13
71°
57°
14
70°
57°
15
73°
56°
16
72°
58°
17
73°
59°
18
74°
59°
19
73°
58°
20
71°
57°
21
70°
59°
22
73°
58°
23
72°
59°
24
72°
60°
25
71°
60°
26
73°
59°
27
72°
58°
28
72°
58°
29
71°
57°
30
70°
56°
31
71°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Barcelona
Barcelona's October 2026 forecast shows daily high temperatures ranging from 70° to 78°, with overnight lows between 55° and 65°. The average high for October is 73° with an average low of 59°. 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 Barcelona. See also: November | December | January.