S
M
T
W
T
F
S
26
65°
46°
27
66°
47°
28
57°
40°
29
57°
44°
30
58°
41°
1
61°
40°
2
62°
41°
3
60°
41°
4
58°
42°
5
57°
41°
6
58°
41°
7
60°
42°
8
61°
43°
9
61°
43°
10
62°
44°
11
63°
44°
12
60°
45°
13
62°
43°
14
66°
46°
15
67°
51°
16
66°
49°
17
65°
50°
18
62°
46°
19
62°
45°
20
67°
49°
21
63°
47°
22
62°
46°
23
63°
47°
24
63°
47°
25
62°
49°
26
63°
48°
27
63°
48°
28
66°
49°
29
66°
47°
30
66°
48°
31
67°
48°
1
66°
49°
2
66°
48°
3
67°
49°
4
70°
52°
5
68°
52°
6
66°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lucerne
Lucerne's May 2026 forecast shows daily high temperatures ranging from 57° to 70°, with overnight lows between 40° and 54°. The average high for May is 63° with an average low of 46°. 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 Lucerne. See also: June | July | August.
