S
M
T
W
T
F
S
31
69°
35°
1
76°
47°
2
84°
51°
3
73°
42°
4
75°
44°
5
81°
45°
6
62°
36°
7
63°
38°
8
72°
44°
9
74°
48°
10
76°
47°
11
76°
44°
12
79°
47°
13
84°
49°
14
77°
45°
15
66°
44°
16
69°
47°
17
79°
50°
18
82°
50°
19
80°
49°
20
79°
50°
21
81°
50°
22
83°
52°
23
84°
52°
24
82°
50°
25
77°
51°
26
83°
52°
27
83°
44°
28
72°
45°
29
74°
50°
30
84°
52°
1
85°
52°
2
85°
51°
3
87°
54°
4
87°
54°
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 62° to 87°, with overnight lows between 36° and 54°. The average high for June is 78° with an average low of 48°. 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.
