S
M
T
W
T
F
S
26
90°
77°
27
91°
76°
28
90°
75°
29
91°
76°
30
90°
77°
31
92°
77°
1
93°
76°
2
94°
77°
3
94°
77°
4
93°
76°
5
92°
76°
6
90°
75°
7
92°
77°
8
91°
77°
9
92°
76°
10
93°
76°
11
93°
75°
12
92°
75°
13
93°
74°
14
93°
74°
15
94°
75°
16
94°
75°
17
93°
74°
18
94°
75°
19
93°
74°
20
93°
75°
21
94°
74°
22
93°
73°
23
92°
72°
24
91°
74°
25
91°
75°
26
92°
74°
27
91°
74°
28
91°
75°
29
92°
75°
30
92°
74°
31
90°
74°
1
90°
75°
2
91°
74°
3
90°
73°
4
90°
73°
5
91°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Davenport
Davenport's August 2026 forecast shows daily high temperatures ranging from 90° to 94°, with overnight lows between 72° and 77°. The average high for August is 92° with an average low of 75°. 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 Davenport. See also: September | October | November.