S
M
T
W
T
F
S
26
75°
58°
27
80°
56°
28
75°
56°
29
75°
57°
30
76°
56°
31
75°
62°
1
80°
62°
2
79°
60°
3
75°
61°
4
76°
59°
5
75°
56°
6
75°
57°
7
76°
62°
8
78°
63°
9
81°
58°
10
82°
56°
11
76°
54°
12
76°
57°
13
77°
58°
14
76°
57°
15
76°
58°
16
77°
57°
17
76°
63°
18
80°
62°
19
83°
61°
20
82°
58°
21
76°
57°
22
76°
56°
23
78°
60°
24
77°
60°
25
76°
56°
26
76°
59°
27
77°
58°
28
76°
60°
29
76°
62°
30
80°
60°
31
76°
56°
1
77°
55°
2
76°
55°
3
78°
59°
4
81°
60°
5
77°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Bilbao La Vieja
Bilbao La Vieja's August 2026 forecast shows daily high temperatures ranging from 75° to 83°, with overnight lows between 54° and 63°. The average high for August is 77° with an average low of 58°. 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 Bilbao La Vieja. See also: September | October | November.
