S
M
T
W
T
F
S
28
74°
56°
29
80°
58°
30
81°
55°
1
82°
56°
2
78°
57°
3
75°
54°
4
76°
55°
5
79°
58°
6
80°
52°
7
78°
53°
8
76°
51°
9
74°
50°
10
76°
55°
11
78°
58°
12
76°
56°
13
82°
58°
14
79°
57°
15
76°
52°
16
77°
58°
17
79°
58°
18
81°
59°
19
82°
59°
20
82°
58°
21
80°
60°
22
83°
58°
23
84°
59°
24
83°
58°
25
83°
57°
26
82°
53°
27
75°
52°
28
76°
53°
29
77°
52°
30
76°
51°
31
78°
51°
1
76°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Cornish
Cornish's July 2026 forecast shows daily high temperatures ranging from 74° to 84°, with overnight lows between 50° and 60°. The average high for July is 79° with an average low of 55°. 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 Cornish. See also: August | September | October.