S
M
T
W
T
F
S
31
76°
54°
1
73°
53°
2
72°
56°
3
78°
60°
4
76°
60°
5
78°
59°
6
77°
60°
7
74°
61°
8
79°
53°
9
75°
53°
10
76°
61°
11
83°
62°
12
84°
62°
13
79°
61°
14
76°
62°
15
84°
62°
16
82°
63°
17
77°
59°
18
79°
53°
19
77°
54°
20
78°
57°
21
85°
64°
22
84°
60°
23
80°
61°
24
78°
57°
25
78°
57°
26
80°
59°
27
86°
59°
28
79°
63°
29
82°
57°
30
82°
59°
1
85°
61°
2
84°
56°
3
79°
57°
4
80°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Mount Vernon
Mount Vernon's June 2026 forecast shows daily high temperatures ranging from 72° to 86°, with overnight lows between 53° and 64°. The average high for June is 79° 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 June weather will actually feel in Mount Vernon. See also: July | August | September.
