S
M
T
W
T
F
S
26
85°
68°
27
87°
66°
28
86°
61°
29
83°
62°
30
86°
65°
31
84°
67°
1
80°
67°
2
79°
66°
3
83°
68°
4
85°
67°
5
84°
66°
6
88°
66°
7
85°
66°
8
88°
68°
9
87°
67°
10
88°
64°
11
82°
67°
12
82°
68°
13
84°
67°
14
80°
62°
15
81°
67°
16
83°
67°
17
79°
66°
18
80°
64°
19
81°
67°
20
82°
66°
21
81°
64°
22
81°
66°
23
86°
67°
24
86°
66°
25
82°
65°
26
86°
69°
27
87°
69°
28
87°
68°
29
86°
67°
30
82°
65°
31
77°
60°
1
76°
57°
2
76°
59°
3
78°
64°
4
83°
65°
5
83°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Devon
Devon's August 2026 forecast shows daily high temperatures ranging from 76° to 88°, with overnight lows between 57° and 69°. The average high for August is 83° with an average low of 65°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Devon. See also: September | October | November.
