S
M
T
W
T
F
S
26
92°
60°
27
89°
61°
28
92°
64°
29
92°
64°
30
95°
64°
31
99°
63°
1
99°
66°
2
99°
66°
3
103°
66°
4
104°
67°
5
99°
66°
6
99°
65°
7
102°
68°
8
105°
71°
9
102°
70°
10
98°
67°
11
96°
63°
12
94°
62°
13
84°
60°
14
81°
56°
15
82°
59°
16
88°
63°
17
87°
60°
18
91°
63°
19
92°
63°
20
96°
56°
21
96°
55°
22
91°
56°
23
97°
57°
24
96°
56°
25
97°
56°
26
96°
55°
27
94°
56°
28
92°
55°
29
90°
55°
30
87°
52°
31
87°
56°
1
87°
55°
2
88°
56°
3
90°
57°
4
91°
56°
5
88°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lucerne
Lucerne's August 2026 forecast shows daily high temperatures ranging from 82° to 97°, with overnight lows between 52° and 63°. The average high for August is 91° with an average low of 57°. 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 Lucerne. See also: September | October | November.
