S
M
T
W
T
F
S
26
85°
53°
27
88°
63°
28
77°
67°
29
80°
66°
30
78°
65°
31
82°
64°
1
83°
67°
2
83°
65°
3
82°
64°
4
88°
65°
5
88°
65°
6
87°
66°
7
87°
63°
8
85°
65°
9
87°
66°
10
83°
63°
11
85°
67°
12
82°
66°
13
82°
67°
14
84°
66°
15
81°
62°
16
81°
64°
17
80°
63°
18
79°
62°
19
83°
65°
20
83°
65°
21
80°
64°
22
80°
63°
23
81°
65°
24
85°
58°
25
78°
57°
26
78°
64°
27
84°
65°
28
86°
65°
29
86°
64°
30
84°
62°
31
82°
56°
1
76°
56°
2
76°
55°
3
75°
55°
4
76°
58°
5
78°
62°
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 75° to 88°, with overnight lows between 55° and 67°. The average high for August is 82° with an average low of 63°. 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.
