S
M
T
W
T
F
S
31
69°
44°
1
73°
42°
2
85°
51°
3
71°
57°
4
65°
53°
5
62°
49°
6
60°
47°
7
64°
48°
8
64°
48°
9
59°
51°
10
65°
47°
11
72°
43°
12
74°
46°
13
81°
48°
14
86°
62°
15
85°
56°
16
72°
51°
17
72°
52°
18
73°
54°
19
76°
55°
20
72°
55°
21
70°
52°
22
72°
53°
23
74°
53°
24
71°
52°
25
68°
52°
26
67°
53°
27
71°
54°
28
70°
52°
29
76°
56°
30
67°
53°
1
65°
51°
2
69°
55°
3
72°
55°
4
70°
56°
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 65° to 86°, with overnight lows between 51° and 62°. The average high for June is 72° with an average low of 54°. 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.
