S
M
T
W
T
F
S
26
81°
63°
27
80°
62°
28
80°
60°
29
76°
57°
30
77°
58°
31
78°
61°
1
80°
60°
2
80°
61°
3
77°
60°
4
78°
60°
5
77°
58°
6
77°
58°
7
78°
60°
8
77°
59°
9
78°
60°
10
78°
61°
11
77°
60°
12
79°
62°
13
80°
62°
14
73°
56°
15
70°
58°
16
73°
59°
17
71°
58°
18
73°
59°
19
73°
58°
20
75°
57°
21
74°
55°
22
75°
52°
23
73°
54°
24
74°
58°
25
76°
54°
26
74°
54°
27
69°
50°
28
68°
50°
29
69°
53°
30
68°
50°
31
68°
50°
1
67°
51°
2
67°
54°
3
68°
49°
4
67°
49°
5
66°
53°
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 66° to 81°, with overnight lows between 49° and 63°. The average high for August is 74° 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 Luxembourg. See also: September | October | November.
