S
M
T
W
T
F
S
29
45°
32°
30
48°
32°
31
43°
30°
1
45°
27°
2
52°
27°
3
57°
30°
4
66°
45°
5
76°
45°
6
70°
38°
7
75°
39°
8
72°
39°
9
70°
42°
10
57°
35°
11
60°
36°
12
57°
33°
13
59°
37°
14
60°
38°
15
61°
38°
16
60°
40°
17
61°
39°
18
57°
34°
19
60°
37°
20
57°
35°
21
57°
34°
22
60°
34°
23
64°
34°
24
65°
35°
25
66°
39°
26
63°
37°
27
58°
37°
28
57°
35°
29
57°
34°
30
58°
35°
1
60°
38°
2
61°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Bern 21
Bern 21's April 2026 forecast shows daily high temperatures ranging from 57° to 76°, with overnight lows between 33° and 45°. The average high for April is 62° with an average low of 37°. 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 Bern 21. See also: May | June | July.
