S
M
T
W
T
F
S
28
66°
54°
29
63°
53°
30
62°
53°
1
66°
52°
2
64°
51°
3
73°
53°
4
70°
51°
5
73°
51°
6
79°
51°
7
74°
55°
8
67°
50°
9
71°
50°
10
74°
50°
11
69°
53°
12
71°
52°
13
75°
55°
14
77°
57°
15
80°
58°
16
75°
52°
17
69°
52°
18
73°
53°
19
78°
57°
20
77°
56°
21
77°
57°
22
74°
56°
23
76°
57°
24
71°
57°
25
73°
56°
26
77°
57°
27
78°
57°
28
79°
56°
29
78°
55°
30
79°
57°
31
80°
58°
1
79°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Duvall
Duvall's July 2026 forecast shows daily high temperatures ranging from 67° to 80°, with overnight lows between 50° and 58°. The average high for July is 75° with an average low of 55°. 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 Duvall. See also: August | September | October.