S
M
T
W
T
F
S
26
86°
73°
27
86°
73°
28
88°
73°
29
88°
75°
30
88°
75°
31
88°
75°
1
86°
79°
2
88°
77°
3
88°
79°
4
86°
79°
5
91°
75°
6
90°
75°
7
90°
75°
8
90°
77°
9
93°
81°
10
91°
79°
11
91°
79°
12
90°
79°
13
93°
79°
14
93°
79°
15
91°
79°
16
90°
75°
17
90°
77°
18
91°
79°
19
91°
79°
20
93°
79°
21
86°
73°
22
82°
75°
23
88°
73°
24
88°
72°
25
88°
73°
26
88°
75°
27
88°
81°
28
90°
77°
29
84°
68°
30
84°
72°
31
86°
70°
1
82°
73°
2
88°
72°
3
84°
73°
4
86°
75°
5
88°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Barcelona
Barcelona's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Barcelona. See also: September | October | November.
