S
M
T
W
T
F
S
26
79°
59°
27
76°
53°
28
74°
54°
29
78°
61°
30
79°
53°
31
73°
53°
1
74°
54°
2
79°
60°
3
80°
60°
4
79°
59°
5
80°
60°
6
77°
54°
7
74°
58°
8
78°
56°
9
77°
59°
10
79°
60°
11
78°
54°
12
73°
54°
13
72°
53°
14
75°
58°
15
80°
61°
16
72°
52°
17
72°
55°
18
76°
53°
19
Hist. Avg.
72°
55°
20
Hist. Avg.
72°
55°
21
Hist. Avg.
72°
55°
22
Hist. Avg.
72°
55°
23
Hist. Avg.
72°
54°
24
Hist. Avg.
72°
54°
25
Hist. Avg.
72°
54°
26
Hist. Avg.
71°
54°
27
Hist. Avg.
71°
54°
28
Hist. Avg.
71°
54°
29
Hist. Avg.
71°
54°
30
Hist. Avg.
71°
54°
31
Hist. Avg.
71°
54°
1
Hist. Avg.
70°
53°
2
Hist. Avg.
70°
53°
3
Hist. Avg.
70°
53°
4
Hist. Avg.
70°
53°
5
Hist. Avg.
69°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Luzern
Luzern's August 2026 forecast shows daily high temperatures ranging from 72° to 80°, with overnight lows between 52° and 61°. The average high for August is 76° 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 August weather will actually feel in Luzern. See also: September | October | November.
