S
M
T
W
T
F
S
26
73°
56°
27
73°
56°
28
72°
58°
29
71°
55°
30
73°
56°
31
74°
59°
1
79°
58°
2
80°
54°
3
79°
59°
4
78°
56°
5
74°
57°
6
78°
55°
7
80°
60°
8
79°
59°
9
80°
60°
10
80°
58°
11
79°
58°
12
77°
55°
13
72°
52°
14
71°
59°
15
76°
54°
16
71°
55°
17
71°
52°
18
72°
53°
19
71°
53°
20
74°
54°
21
73°
58°
22
76°
56°
23
70°
55°
24
70°
55°
25
73°
56°
26
75°
55°
27
69°
52°
28
69°
49°
29
70°
50°
30
68°
51°
31
68°
51°
1
69°
52°
2
67°
49°
3
68°
51°
4
67°
49°
5
68°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Luzern
Luzern's August 2026 forecast shows daily high temperatures ranging from 67° to 80°, with overnight lows between 49° and 60°. The average high for August is 73° with an average low of 55°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Luzern. See also: September | October | November.
