S
M
T
W
T
F
S
26
89°
76°
27
89°
76°
28
90°
75°
29
89°
76°
30
89°
76°
31
90°
75°
1
88°
74°
2
89°
76°
3
89°
76°
4
90°
75°
5
89°
76°
6
89°
76°
7
90°
75°
8
90°
76°
9
88°
75°
10
93°
74°
11
91°
74°
12
93°
74°
13
92°
75°
14
89°
74°
15
90°
73°
16
91°
73°
17
92°
74°
18
91°
74°
19
92°
73°
20
93°
73°
21
90°
72°
22
88°
72°
23
88°
72°
24
89°
71°
25
88°
71°
26
88°
70°
27
89°
70°
28
88°
71°
29
88°
71°
30
89°
72°
31
89°
72°
1
91°
73°
2
89°
72°
3
90°
73°
4
87°
72°
5
88°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Duval
Duval's August 2026 forecast shows daily high temperatures ranging from 87° to 93°, with overnight lows between 70° and 76°. The average high for August is 90° with an average low of 74°. 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 Duval. See also: September | October | November.
