S
M
T
W
T
F
S
31
75°
61°
1
73°
54°
2
N/A
3
68°
59°
4
66°
55°
5
66°
52°
6
69°
56°
7
70°
56°
8
72°
63°
9
70°
53°
10
71°
55°
11
76°
58°
12
79°
59°
13
77°
58°
14
78°
59°
15
66°
50°
16
66°
50°
17
69°
52°
18
72°
55°
19
70°
54°
20
66°
53°
21
67°
53°
22
67°
54°
23
68°
52°
24
67°
59°
25
69°
57°
26
68°
57°
27
68°
53°
28
67°
52°
29
67°
53°
30
68°
54°
1
67°
53°
2
67°
52°
3
68°
53°
4
68°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Mettmann
Mettmann's June 2026 forecast shows daily high temperatures ranging from 66° to 79°, with overnight lows between 50° and 63°. The average high for June is 69° with an average low of 55°. 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 Mettmann. See also: July | August | September.