S
M
T
W
T
F
S
28
73°
50°
29
74°
53°
30
74°
47°
1
73°
48°
2
73°
48°
3
71°
47°
4
74°
48°
5
75°
49°
6
75°
49°
7
74°
55°
8
76°
57°
9
77°
58°
10
78°
60°
11
79°
49°
12
75°
51°
13
76°
50°
14
75°
50°
15
70°
50°
16
73°
52°
17
77°
52°
18
Hist. Avg.
74°
54°
19
Hist. Avg.
74°
54°
20
Hist. Avg.
74°
54°
21
Hist. Avg.
74°
54°
22
Hist. Avg.
75°
54°
23
Hist. Avg.
75°
54°
24
Hist. Avg.
75°
54°
25
Hist. Avg.
75°
54°
26
Hist. Avg.
75°
54°
27
Hist. Avg.
76°
54°
28
Hist. Avg.
76°
55°
29
Hist. Avg.
76°
55°
30
Hist. Avg.
76°
55°
31
Hist. Avg.
76°
55°
1
Hist. Avg.
76°
55°
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 70° to 79°, with overnight lows between 47° and 60°. The average high for July is 75° with an average low of 51°. 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.
