S
M
T
W
T
F
S
26
96°
74°
27
95°
77°
28
98°
75°
29
98°
76°
30
93°
74°
31
94°
72°
1
90°
75°
2
90°
74°
3
86°
75°
4
90°
74°
5
88°
74°
6
91°
75°
7
90°
72°
8
88°
73°
9
92°
75°
10
92°
75°
11
95°
76°
12
93°
73°
13
95°
72°
14
95°
72°
15
95°
73°
16
96°
77°
17
97°
79°
18
98°
76°
19
97°
75°
20
95°
72°
21
91°
72°
22
93°
72°
23
93°
75°
24
95°
74°
25
90°
72°
26
92°
73°
27
91°
73°
28
90°
74°
29
88°
73°
30
91°
74°
31
89°
73°
1
89°
73°
2
88°
74°
3
91°
73°
4
92°
73°
5
92°
72°
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 88° to 92°, with overnight lows between 72° and 74°. The average high for August is 90° with an average low of 73°. 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.
