S
M
T
W
T
F
S
31
81°
62°
1
82°
61°
2
80°
59°
3
83°
60°
4
84°
63°
5
83°
65°
6
84°
68°
7
80°
69°
8
85°
68°
9
84°
69°
10
86°
66°
11
87°
66°
12
89°
68°
13
89°
68°
14
87°
69°
15
86°
67°
16
86°
63°
17
81°
62°
18
84°
67°
19
86°
67°
20
90°
68°
21
88°
67°
22
82°
64°
23
83°
67°
24
89°
69°
25
89°
69°
26
90°
68°
27
87°
68°
28
87°
67°
29
84°
68°
30
85°
67°
1
85°
68°
2
84°
67°
3
84°
64°
4
85°
63°
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 80° to 90°, with overnight lows between 60° and 69°. The average high for June is 86° with an average low of 67°. 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.
