S
M
T
W
T
F
S
26
92°
73°
27
96°
75°
28
87°
67°
29
86°
62°
30
83°
57°
31
79°
67°
1
71°
67°
2
82°
63°
3
84°
59°
4
88°
62°
5
76°
69°
6
81°
69°
7
85°
65°
8
83°
63°
9
86°
63°
10
90°
74°
11
86°
70°
12
83°
69°
13
77°
67°
14
78°
71°
15
87°
72°
16
85°
66°
17
83°
62°
18
81°
62°
19
84°
60°
20
82°
64°
21
84°
59°
22
81°
56°
23
78°
58°
24
78°
61°
25
78°
65°
26
79°
60°
27
76°
62°
28
80°
60°
29
80°
62°
30
77°
62°
31
78°
63°
1
81°
61°
2
76°
63°
3
74°
58°
4
75°
64°
5
76°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Bettendorf
Bettendorf's August 2026 forecast shows daily high temperatures ranging from 74° to 84°, with overnight lows between 56° and 65°. The average high for August is 79° with an average low of 61°. 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 Bettendorf. See also: September | October | November.
