S
M
T
W
T
F
S
26
Hist. Avg.
92°
71°
27
Hist. Avg.
92°
71°
28
Hist. Avg.
92°
71°
29
Hist. Avg.
92°
71°
30
Hist. Avg.
92°
71°
31
Hist. Avg.
92°
71°
1
Hist. Avg.
92°
71°
2
Hist. Avg.
92°
71°
3
Hist. Avg.
91°
71°
4
Hist. Avg.
91°
71°
5
Hist. Avg.
91°
71°
6
Hist. Avg.
91°
71°
7
Hist. Avg.
91°
71°
8
Hist. Avg.
91°
70°
9
Hist. Avg.
91°
70°
10
Hist. Avg.
91°
70°
11
Hist. Avg.
91°
70°
12
Hist. Avg.
91°
70°
13
Hist. Avg.
90°
70°
14
Hist. Avg.
90°
70°
15
Hist. Avg.
90°
70°
16
Hist. Avg.
90°
70°
17
Hist. Avg.
90°
70°
18
Hist. Avg.
90°
70°
19
Hist. Avg.
90°
69°
20
Hist. Avg.
90°
69°
21
Hist. Avg.
90°
69°
22
Hist. Avg.
90°
69°
23
Hist. Avg.
89°
69°
24
Hist. Avg.
89°
69°
25
Hist. Avg.
89°
68°
26
Hist. Avg.
89°
68°
27
Hist. Avg.
89°
68°
28
Hist. Avg.
89°
68°
29
Hist. Avg.
89°
68°
30
Hist. Avg.
88°
68°
31
Hist. Avg.
88°
67°
1
Hist. Avg.
88°
67°
2
Hist. Avg.
88°
67°
3
Hist. Avg.
88°
66°
4
Hist. Avg.
88°
66°
5
Hist. Avg.
87°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Waterloo
Waterloo's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Waterloo. See also: September | October | November.
