S
M
T
W
T
F
S
26
60°
40°
27
54°
40°
28
54°
39°
29
55°
38°
30
55°
38°
1
57°
41°
2
56°
42°
3
57°
40°
4
57°
39°
5
58°
42°
6
58°
43°
7
59°
42°
8
63°
44°
9
60°
43°
10
61°
44°
11
60°
46°
12
60°
44°
13
63°
46°
14
65°
48°
15
66°
45°
16
68°
48°
17
66°
50°
18
64°
45°
19
64°
47°
20
65°
45°
21
64°
50°
22
67°
52°
23
65°
54°
24
65°
53°
25
66°
53°
26
72°
54°
27
72°
55°
28
70°
54°
29
71°
51°
30
66°
52°
31
70°
56°
1
73°
55°
2
67°
48°
3
66°
48°
4
69°
49°
5
68°
48°
6
66°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Luzern
Luzern's May 2026 forecast shows daily high temperatures ranging from 54° to 73°, with overnight lows between 38° and 56°. The average high for May is 63° 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 Luzern. See also: June | July | August.
