S
M
T
W
T
F
S
26
85°
70°
27
83°
68°
28
82°
70°
29
84°
71°
30
86°
68°
31
81°
69°
1
83°
70°
2
86°
70°
3
86°
69°
4
82°
69°
5
83°
70°
6
84°
70°
7
83°
69°
8
84°
71°
9
85°
72°
10
86°
71°
11
85°
69°
12
81°
67°
13
82°
71°
14
84°
66°
15
81°
71°
16
82°
66°
17
81°
67°
18
Hist. Avg.
82°
69°
19
Hist. Avg.
82°
69°
20
Hist. Avg.
81°
69°
21
Hist. Avg.
81°
68°
22
Hist. Avg.
81°
68°
23
Hist. Avg.
81°
68°
24
Hist. Avg.
81°
68°
25
Hist. Avg.
80°
68°
26
Hist. Avg.
80°
68°
27
Hist. Avg.
80°
68°
28
Hist. Avg.
80°
68°
29
Hist. Avg.
80°
68°
30
Hist. Avg.
80°
68°
31
Hist. Avg.
80°
68°
1
Hist. Avg.
79°
67°
2
Hist. Avg.
79°
67°
3
Hist. Avg.
79°
67°
4
Hist. Avg.
79°
67°
5
Hist. Avg.
79°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Barcelona
Barcelona's August 2026 forecast shows daily high temperatures ranging from 81° to 86°, with overnight lows between 66° and 72°. The average high for August is 83° 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 August weather will actually feel in Barcelona. See also: September | October | November.
