S
M
T
W
T
F
S
31
77°
49°
1
72°
54°
2
77°
54°
3
81°
47°
4
84°
54°
5
83°
62°
6
84°
64°
7
87°
69°
8
81°
68°
9
88°
71°
10
90°
71°
11
89°
66°
12
79°
65°
13
83°
60°
14
77°
55°
15
71°
53°
16
76°
57°
17
72°
55°
18
72°
59°
19
77°
54°
20
N/A
21
74°
58°
22
74°
54°
23
78°
56°
24
77°
59°
25
76°
54°
26
75°
57°
27
77°
58°
28
82°
63°
29
85°
67°
30
82°
62°
1
79°
61°
2
80°
62°
3
81°
60°
4
78°
62°
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 85°, with overnight lows between 54° and 67°. The average high for June is 78° with an average low of 60°. 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.
