S
M
T
W
T
F
S
28
88°
70°
29
90°
68°
30
90°
72°
1
93°
70°
2
97°
73°
3
95°
73°
4
95°
72°
5
93°
72°
6
91°
72°
7
91°
70°
8
95°
72°
9
95°
72°
10
93°
70°
11
86°
70°
12
90°
70°
13
81°
70°
14
86°
70°
15
90°
68°
16
93°
72°
17
95°
73°
18
94°
72°
19
95°
73°
20
95°
73°
21
91°
73°
22
90°
73°
23
86°
68°
24
73°
66°
25
81°
70°
26
86°
69°
27
92°
69°
28
94°
71°
29
92°
65°
30
88°
64°
31
89°
69°
1
86°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Cornwell
Cornwell's July 2026 forecast shows daily high temperatures ranging from 86° to 94°, with overnight lows between 64° and 71°. The average high for July is 90° 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 July weather will actually feel in Cornwell. See also: August | September | October.
