S
M
T
W
T
F
S
28
74°
56°
29
68°
52°
30
65°
52°
1
67°
50°
2
68°
50°
3
72°
51°
4
73°
53°
5
76°
55°
6
75°
57°
7
73°
56°
8
70°
55°
9
71°
56°
10
79°
58°
11
77°
59°
12
79°
52°
13
73°
51°
14
73°
55°
15
77°
58°
16
80°
58°
17
80°
60°
18
77°
55°
19
77°
53°
20
79°
53°
21
78°
60°
22
78°
60°
23
80°
58°
24
76°
60°
25
80°
59°
26
79°
61°
27
80°
60°
28
81°
54°
29
73°
58°
30
73°
54°
31
74°
54°
1
73°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Lucerne
Lucerne's July 2026 forecast shows daily high temperatures ranging from 65° to 81°, with overnight lows between 50° and 61°. The average high for July is 75° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Lucerne. See also: August | September | October.