S
M
T
W
T
F
S
31
83°
62°
1
82°
61°
2
81°
51°
3
83°
49°
4
85°
53°
5
86°
59°
6
88°
70°
7
88°
72°
8
80°
69°
9
90°
74°
10
91°
73°
11
90°
72°
12
91°
69°
13
89°
65°
14
82°
63°
15
80°
60°
16
81°
63°
17
83°
63°
18
85°
64°
19
83°
74°
20
80°
68°
21
83°
69°
22
80°
69°
23
80°
68°
24
82°
69°
25
86°
69°
26
86°
70°
27
84°
69°
28
81°
66°
29
81°
69°
30
82°
70°
1
83°
70°
2
82°
69°
3
83°
70°
4
82°
65°
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 80° to 91°, with overnight lows between 60° and 74°. The average high for June is 84° with an average low of 68°. 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.
