S
M
T
W
T
F
S
31
78°
58°
1
74°
58°
2
83°
60°
3
79°
57°
4
78°
52°
5
76°
60°
6
78°
59°
7
81°
62°
8
80°
58°
9
79°
57°
10
75°
57°
11
75°
56°
12
73°
52°
13
72°
55°
14
73°
53°
15
69°
50°
16
69°
54°
17
74°
57°
18
78°
58°
19
78°
58°
20
77°
59°
21
76°
59°
22
78°
58°
23
72°
53°
24
71°
55°
25
74°
59°
26
72°
59°
27
72°
58°
28
73°
59°
29
74°
58°
30
73°
60°
1
81°
61°
2
81°
60°
3
75°
59°
4
73°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Mentor
Mentor's June 2026 forecast shows daily high temperatures ranging from 69° to 83°, with overnight lows between 50° and 62°. The average high for June is 75° with an average low of 57°. 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 Mentor. See also: July | August | September.