S
M
T
W
T
F
S
31
73°
61°
1
72°
54°
2
68°
52°
3
64°
50°
4
63°
48°
5
61°
48°
6
68°
48°
7
64°
50°
8
66°
50°
9
63°
48°
10
61°
48°
11
59°
46°
12
64°
52°
13
72°
55°
14
66°
50°
15
68°
46°
16
77°
57°
17
79°
59°
18
90°
63°
19
93°
66°
20
91°
68°
21
91°
66°
22
93°
70°
23
95°
67°
24
99°
70°
25
100°
72°
26
102°
73°
27
101°
70°
28
97°
67°
29
88°
61°
30
86°
60°
1
81°
58°
2
79°
57°
3
77°
55°
4
74°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Luxembourg
Luxembourg's June 2026 forecast shows daily high temperatures ranging from 74° to 102°, with overnight lows between 53° and 73°. The average high for June is 90° with an average low of 64°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Luxembourg. See also: July | August | September.