S
M
T
W
T
F
S
29
51°
17°
30
69°
27°
31
62°
47°
1
60°
37°
2
42°
35°
3
61°
37°
4
56°
43°
5
49°
39°
6
43°
25°
7
38°
22°
8
48°
27°
9
59°
37°
10
66°
42°
11
56°
32°
12
63°
47°
13
71°
60°
14
64°
45°
15
63°
44°
16
61°
40°
17
60°
44°
18
63°
45°
19
64°
40°
20
61°
38°
21
65°
42°
22
66°
44°
23
61°
44°
24
68°
41°
25
68°
37°
26
58°
35°
27
59°
36°
28
60°
36°
29
60°
37°
30
59°
37°
1
60°
38°
2
62°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Interlaken
Interlaken's April 2026 forecast shows daily high temperatures ranging from 38° to 71°, with overnight lows between 22° and 60°. The average high for April is 61° with an average low of 40°. 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 Interlaken. See also: May | June | July.
