S
M
T
W
T
F
S
29
95°
70°
30
93°
73°
1
91°
72°
2
82°
72°
3
90°
70°
4
88°
70°
5
88°
68°
6
86°
72°
7
91°
73°
8
95°
75°
9
91°
70°
10
88°
70°
11
90°
70°
12
91°
72°
13
90°
73°
14
90°
72°
15
86°
73°
16
90°
73°
17
90°
73°
18
91°
73°
19
91°
72°
20
91°
72°
21
90°
75°
22
86°
70°
23
86°
68°
24
88°
70°
25
95°
70°
26
95°
73°
27
97°
73°
28
93°
73°
29
95°
73°
30
95°
73°
31
91°
73°
1
81°
68°
2
77°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Cornwall
Cornwall's July 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for July is ° with an average low of °. 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 Cornwall. See also: August | September | October.
