S
M
T
W
T
F
S
26
85°
70°
27
84°
68°
28
84°
68°
29
82°
67°
30
81°
69°
31
84°
70°
1
86°
70°
2
86°
71°
3
85°
71°
4
85°
72°
5
83°
69°
6
85°
68°
7
81°
71°
8
82°
72°
9
81°
69°
10
81°
69°
11
85°
70°
12
83°
70°
13
86°
69°
14
83°
69°
15
84°
68°
16
83°
68°
17
81°
69°
18
81°
69°
19
82°
68°
20
81°
69°
21
82°
71°
22
83°
69°
23
83°
65°
24
82°
66°
25
80°
66°
26
81°
67°
27
83°
64°
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 80° to 86°, with overnight lows between 64° 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.
