S
M
T
W
T
F
S
31
77°
48°
1
75°
50°
2
N/A
3
79°
53°
4
81°
59°
5
83°
63°
6
81°
63°
7
79°
59°
8
81°
61°
9
79°
62°
10
81°
61°
11
80°
61°
12
81°
62°
13
80°
61°
14
82°
58°
15
78°
56°
16
71°
52°
17
72°
52°
18
73°
53°
19
74°
55°
20
76°
60°
21
75°
61°
22
75°
61°
23
77°
60°
24
77°
59°
25
76°
56°
26
78°
62°
27
81°
61°
28
77°
58°
29
76°
55°
30
77°
54°
1
76°
55°
2
77°
56°
3
79°
62°
4
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Mount Vernon
Mount Vernon's June 2026 forecast shows daily high temperatures ranging from 71° to 83°, with overnight lows between 52° and 63°. The average high for June is 78° with an average low of 58°. 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.
