S
M
T
W
T
F
S
27
86°
70°
28
81°
71°
29
82°
71°
30
82°
71°
31
85°
71°
1
84°
71°
2
84°
76°
3
82°
75°
4
85°
72°
5
87°
73°
6
86°
73°
7
85°
74°
8
87°
72°
9
86°
73°
10
91°
76°
11
92°
80°
12
90°
77°
13
89°
78°
14
93°
75°
15
92°
77°
16
98°
78°
17
96°
79°
18
90°
78°
19
86°
78°
20
83°
68°
21
85°
67°
22
83°
70°
23
84°
70°
24
85°
72°
25
83°
74°
26
84°
74°
27
87°
76°
28
84°
69°
29
86°
65°
30
81°
66°
31
84°
72°
1
82°
72°
2
81°
66°
3
83°
67°
4
85°
71°
5
80°
69°
6
82°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Barcelona
Barcelona's August 2025 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.
