S
M
T
W
T
F
S
28
79°
57°
29
80°
57°
30
82°
61°
1
83°
59°
2
84°
57°
3
79°
57°
4
79°
58°
5
81°
65°
6
86°
63°
7
88°
65°
8
88°
65°
9
87°
66°
10
88°
61°
11
87°
58°
12
80°
60°
13
84°
59°
14
83°
66°
15
88°
58°
16
86°
59°
17
88°
59°
18
Hist. Avg.
83°
63°
19
Hist. Avg.
83°
63°
20
Hist. Avg.
83°
63°
21
Hist. Avg.
83°
63°
22
Hist. Avg.
83°
63°
23
Hist. Avg.
83°
63°
24
Hist. Avg.
83°
63°
25
Hist. Avg.
83°
63°
26
Hist. Avg.
83°
63°
27
Hist. Avg.
83°
62°
28
Hist. Avg.
83°
62°
29
Hist. Avg.
83°
62°
30
Hist. Avg.
82°
62°
31
Hist. Avg.
82°
62°
1
Hist. Avg.
82°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Mount Vernon
Mount Vernon's July 2026 forecast shows daily high temperatures ranging from 79° to 88°, with overnight lows between 57° and 66°. The average high for July is 84° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Mount Vernon. See also: August | September | October.
