S
M
T
W
T
F
S
28
86°
70°
29
79°
66°
30
81°
63°
1
77°
63°
2
77°
57°
3
75°
55°
4
79°
52°
5
75°
61°
6
84°
57°
7
82°
64°
8
81°
63°
9
84°
57°
10
88°
61°
11
88°
64°
12
91°
66°
13
90°
64°
14
94°
65°
15
88°
64°
16
91°
65°
17
82°
60°
18
81°
61°
19
79°
57°
20
80°
56°
21
81°
56°
22
76°
55°
23
79°
56°
24
80°
57°
25
77°
60°
26
74°
58°
27
72°
55°
28
71°
58°
29
73°
58°
30
77°
57°
31
75°
54°
1
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Luxembourg
Luxembourg's July 2026 forecast shows daily high temperatures ranging from 71° to 94°, with overnight lows between 54° and 66°. The average high for July is 80° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Luxembourg. See also: August | September | October.