S
M
T
W
T
F
S
26
79°
60°
27
78°
61°
28
80°
61°
29
80°
60°
30
78°
60°
31
80°
62°
1
81°
62°
2
78°
60°
3
72°
56°
4
72°
53°
5
72°
53°
6
71°
54°
7
71°
53°
8
73°
52°
9
71°
53°
10
73°
58°
11
76°
57°
12
76°
60°
13
77°
61°
14
78°
58°
15
75°
57°
16
76°
59°
17
77°
57°
18
73°
58°
19
70°
53°
20
70°
53°
21
71°
54°
22
74°
58°
23
75°
57°
24
69°
50°
25
69°
56°
26
68°
56°
27
68°
48°
28
69°
50°
29
71°
54°
30
72°
53°
31
73°
52°
1
71°
53°
2
70°
55°
3
73°
54°
4
73°
52°
5
71°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Luxembourg
Luxembourg's August 2026 forecast shows daily high temperatures ranging from 68° to 81°, with overnight lows between 48° and 62°. The average high for August is 74° 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 Luxembourg. See also: September | October | November.
