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
77°
49°
22
83°
48°
23
86°
54°
24
85°
56°
25
72°
54°
26
63°
54°
27
69°
52°
28
66°
54°
29
63°
55°
30
68°
53°
1
67°
50°
2
65°
53°
3
71°
51°
4
69°
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 71°, with overnight lows between 50° and 53°. The average high for June is 68° with an average low of 52°. 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.
