S
M
T
W
T
F
S
26
83°
57°
27
72°
55°
28
71°
58°
29
73°
58°
30
77°
57°
31
75°
54°
1
77°
59°
2
78°
60°
3
71°
59°
4
71°
59°
5
72°
56°
6
71°
55°
7
74°
56°
8
76°
58°
9
77°
59°
10
73°
54°
11
74°
55°
12
76°
59°
13
77°
60°
14
78°
60°
15
78°
61°
16
79°
61°
17
78°
60°
18
76°
59°
19
76°
59°
20
75°
58°
21
76°
59°
22
76°
58°
23
75°
58°
24
70°
52°
25
69°
51°
26
69°
54°
27
68°
57°
28
68°
53°
29
69°
53°
30
68°
55°
31
67°
55°
1
72°
49°
2
67°
48°
3
67°
54°
4
68°
47°
5
66°
49°
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 83°, with overnight lows between 47° and 61°. The average high for August is 73° 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.
