S
M
T
W
T
F
S
29
50°
36°
30
45°
36°
31
48°
34°
1
48°
32°
2
57°
32°
3
59°
32°
4
66°
46°
5
75°
46°
6
68°
43°
7
72°
39°
8
73°
42°
9
73°
50°
10
64°
46°
11
75°
46°
12
51°
41°
13
48°
42°
14
53°
41°
15
54°
43°
16
59°
46°
17
63°
47°
18
65°
47°
19
63°
48°
20
64°
47°
21
56°
36°
22
56°
38°
23
57°
39°
24
56°
38°
25
56°
37°
26
57°
36°
27
60°
38°
28
66°
45°
29
66°
39°
30
67°
46°
1
66°
43°
2
63°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Basel
Basel's April 2026 forecast shows daily high temperatures ranging from 48° to 75°, with overnight lows between 36° and 50°. The average high for April is 61° with an average low of 43°. 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 Basel. See also: May | June | July.
