S
M
T
W
T
F
S
26
60°
45°
27
58°
43°
28
59°
41°
29
61°
45°
30
57°
42°
1
57°
39°
2
61°
42°
3
57°
41°
4
57°
39°
5
58°
38°
6
60°
43°
7
65°
46°
8
62°
43°
9
62°
46°
10
63°
40°
11
60°
40°
12
60°
41°
13
59°
40°
14
60°
41°
15
62°
42°
16
63°
43°
17
65°
51°
18
67°
43°
19
63°
42°
20
65°
46°
21
66°
52°
22
69°
53°
23
70°
55°
24
75°
55°
25
73°
52°
26
68°
54°
27
76°
55°
28
77°
54°
29
77°
55°
30
78°
52°
31
71°
51°
1
69°
50°
2
72°
54°
3
79°
57°
4
80°
58°
5
80°
58°
6
73°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Interlaken Beach
Interlaken Beach's May 2026 forecast shows daily high temperatures ranging from 57° to 80°, with overnight lows between 38° and 58°. The average high for May is 66° with an average low of 47°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Interlaken Beach. See also: June | July | August.
