S
M
T
W
T
F
S
28
63°
53°
29
64°
56°
30
64°
57°
1
64°
57°
2
66°
56°
3
65°
55°
4
65°
56°
5
64°
55°
6
66°
58°
7
67°
57°
8
69°
58°
9
69°
58°
10
66°
57°
11
65°
58°
12
65°
58°
13
66°
57°
14
65°
58°
15
66°
59°
16
67°
59°
17
68°
58°
18
67°
58°
19
66°
57°
20
67°
56°
21
66°
59°
22
66°
58°
23
67°
56°
24
68°
57°
25
70°
56°
26
69°
59°
27
70°
59°
28
70°
58°
29
69°
59°
30
68°
59°
31
69°
58°
1
69°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Devonport
Devonport's July 2026 forecast shows daily high temperatures ranging from 63° to 70°, with overnight lows between 53° and 59°. The average high for July is 67° with an average low of 57°. 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 Devonport. See also: August | September | October.