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°
64°
15
82°
63°
16
83°
56°
17
74°
54°
18
77°
61°
19
78°
60°
20
80°
61°
21
83°
54°
22
74°
53°
23
75°
54°
24
81°
63°
25
83°
62°
26
83°
59°
27
77°
55°
28
77°
59°
29
79°
62°
30
77°
60°
1
77°
58°
2
78°
56°
3
80°
58°
4
83°
61°
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 74° to 83°, with overnight lows between 53° and 64°. The average high for June is 80° 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.
