S
M
T
W
T
F
S
28
86°
70°
29
79°
66°
30
81°
63°
1
77°
63°
2
79°
52°
3
79°
51°
4
84°
57°
5
82°
56°
6
83°
58°
7
81°
55°
8
80°
56°
9
83°
58°
10
88°
60°
11
92°
62°
12
89°
59°
13
85°
58°
14
83°
57°
15
80°
61°
16
79°
60°
17
79°
59°
18
77°
58°
19
78°
59°
20
77°
59°
21
71°
58°
22
75°
60°
23
77°
59°
24
79°
61°
25
81°
62°
26
81°
63°
27
80°
62°
28
80°
60°
29
76°
57°
30
77°
58°
31
78°
61°
1
80°
60°
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 92°, with overnight lows between 51° and 63°. 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.