S
M
T
W
T
F
S
29
55°
45°
30
55°
43°
31
57°
52°
1
59°
52°
2
57°
50°
3
61°
46°
4
86°
45°
5
64°
48°
6
88°
50°
7
82°
66°
8
76°
53°
9
75°
49°
10
85°
55°
11
61°
43°
12
56°
45°
13
62°
45°
14
63°
49°
15
66°
44°
16
65°
45°
17
67°
47°
18
65°
48°
19
66°
48°
20
68°
49°
21
66°
49°
22
58°
46°
23
59°
46°
24
59°
45°
25
60°
45°
26
59°
46°
27
67°
52°
28
67°
52°
29
69°
54°
30
68°
54°
1
69°
53°
2
68°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Bilbao
Bilbao's April 2026 forecast shows daily high temperatures ranging from 56° to 85°, with overnight lows between 43° and 55°. The average high for April is 66° with an average low of 49°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Bilbao. See also: May | June | July.
