S
M
T
W
T
F
S
31
86°
63°
1
89°
69°
2
90°
63°
3
89°
62°
4
89°
67°
5
92°
69°
6
93°
67°
7
92°
67°
8
93°
71°
9
90°
70°
10
93°
70°
11
86°
69°
12
87°
69°
13
86°
70°
14
90°
71°
15
90°
72°
16
94°
72°
17
95°
71°
18
95°
73°
19
94°
73°
20
95°
68°
21
93°
69°
22
95°
68°
23
89°
66°
24
90°
66°
25
91°
70°
26
95°
72°
27
94°
74°
28
93°
71°
29
95°
71°
30
94°
72°
1
91°
74°
2
96°
70°
3
92°
71°
4
89°
71°
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 86° to 96°, with overnight lows between 62° and 74°. The average high for June is 92° with an average low of 69°. 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.
