S
M
T
W
T
F
S
28
80°
62°
29
87°
64°
30
87°
63°
1
85°
61°
2
81°
60°
3
80°
59°
4
81°
60°
5
82°
65°
6
84°
61°
7
82°
60°
8
82°
59°
9
83°
59°
10
82°
63°
11
82°
66°
12
84°
62°
13
88°
60°
14
82°
61°
15
83°
60°
16
82°
61°
17
83°
61°
18
83°
66°
19
84°
67°
20
88°
67°
21
86°
65°
22
88°
66°
23
89°
67°
24
88°
66°
25
88°
67°
26
85°
61°
27
83°
60°
28
83°
60°
29
84°
61°
30
83°
62°
31
82°
61°
1
82°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Devon
Devon's July 2026 forecast shows daily high temperatures ranging from 80° to 89°, with overnight lows between 59° and 67°. The average high for July is 84° with an average low of 62°. 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 Devon. See also: August | September | October.
