S
M
T
W
T
F
S
26
58°
46°
27
65°
46°
28
71°
46°
29
77°
49°
30
82°
51°
1
79°
54°
2
73°
51°
3
73°
49°
4
65°
50°
5
73°
51°
6
79°
48°
7
78°
49°
8
80°
48°
9
85°
49°
10
89°
51°
11
86°
51°
12
87°
50°
13
87°
51°
14
77°
45°
15
72°
47°
16
73°
46°
17
72°
44°
18
72°
48°
19
73°
43°
20
74°
46°
21
76°
48°
22
80°
50°
23
82°
52°
24
83°
51°
25
83°
51°
26
80°
50°
27
77°
50°
28
76°
49°
29
75°
48°
30
76°
49°
31
76°
49°
1
77°
48°
2
78°
49°
3
79°
52°
4
82°
53°
5
80°
51°
6
79°
52°
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 65° to 89°, with overnight lows between 43° and 54°. The average high for May is 78° with an average low of 49°. 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.
