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°
54°
15
83°
57°
16
72°
53°
17
75°
52°
18
76°
50°
19
79°
53°
20
72°
53°
21
76°
51°
22
85°
55°
23
88°
56°
24
83°
53°
25
73°
56°
26
65°
53°
27
65°
51°
28
66°
52°
29
67°
53°
30
68°
53°
1
68°
54°
2
70°
53°
3
69°
53°
4
70°
52°
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 88°, with overnight lows between 51° and 56°. The average high for June is 72° with an average low of 53°. 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.
